Price v. Superior Court | California Geofence Warrant Case

Executive Summary

The Case in One Paragraph

Riverside County Sheriff's Department investigators sought to identify two unknown suspects in the October 29, 2019 shooting death of Jovany R. Surveillance evidence and witness information showed where the shooting occurred, where the suspects fled, and the narrow period during which the offense took place. Investigators obtained a Google geofence warrant covering the victim's front yard and the adjoining portion of Homestead Street extending approximately two houses in each direction for a 22-minute period between 10:00 p.m. and 10:22 p.m. Google initially returned five anonymous device identifiers. Investigators obtained additional location information for those devices and determined that two devices remained near the victim's home for several minutes and then traveled east along the same route as a silver vehicle captured on surveillance after the shooting. Later disclosure connected one of the devices to Ahmad Raheem Price. The California Court of Appeal held that the warrant was supported by probable cause, sufficiently particular, and not overbroad because its geography and duration were tightly tied to the known facts of the crime. The court further held that the good-faith exception would prevent suppression even if the warrant were constitutionally defective. Although investigators violated CalECPA's notice requirements, suppression was not warranted for that statutory violation.

Core Rule A geofence warrant can satisfy the Fourth Amendment when its geographic boundary, time period, and disclosure protocol are narrowly tailored to the facts of the offense so as to maximize the likelihood of identifying suspects or witnesses while minimizing the capture of location information belonging to uninvolved persons.

Key Holdings at a Glance

Probable Cause Was Established The affidavit showed a fair probability that the unknown suspects carried cellphones using Google applications and that Google possessed location information capable of identifying them.

Geography Was Narrow The geofence focused on the victim's front yard and a short portion of the adjoining residential street connected to the suspects' observed flight paths.

Time Was Narrow The search covered only 22 minutes surrounding the shooting and the suspects' departure.

Five Devices Were Returned The first-stage Google disclosure identified only five anonymous device IDs within the geofence.

Particularity Was Satisfied The court concluded that the warrant's geographic, temporal, and data-production limits adequately constrained the search.

CalECPA Notice Was Violated The government did not fully comply with California's statutory notice requirements, but suppression was not an appropriate remedy on the facts.

The Homicide Investigation

Jovany R. was shot and killed outside his home on Homestead Street on October 29, 2019. Witness information indicated that two suspects fled in separate directions immediately after the shooting.

Investigators obtained nearby surveillance video. One recording showed a silver vehicle traveling east on Limonite Avenue shortly after the shooting. The video also captured a responding patrol vehicle traveling toward the crime scene, helping investigators establish the relevant timing.

Multiple 911 calls concerning the shooting occurred at approximately 10:14 p.m. to 10:15 p.m. Investigators used that information to construct a narrow geofence time period beginning shortly before the shooting and ending shortly after the suspects' departure.

Investigative Foundation Price illustrates the importance of using conventional evidence—witness observations, surveillance video, dispatch records, 911 timestamps, physical geography, and known escape routes—to define the digital search before asking a provider to identify unknown devices.

The Geofence Warrant

Investigator Deanne prepared the geofence warrant and affidavit. A magistrate issued the warrant on November 7, 2019.

The warrant sought Google Location History data generated by devices reporting a location inside a specifically defined geographic area between 10:00 p.m. and 10:22 p.m. on October 29, 2019.

The geographic boundary covered the front yard of Jovany R.'s residence—where the shooting occurred—and the portion of Homestead Street extending approximately two houses in each direction. The street portion abutted the yards of approximately 11 homes.

The warrant included an aerial image depicting the geofence and latitude-and-longitude coordinates defining the search boundary.

Tailoring Principle The warrant was tied to where investigators had evidence the suspects were located and to the brief period during which the shooting and immediate flight occurred.

Why the Court Found Probable Cause

Price argued that the affidavit did not establish probable cause to believe the geofence search would reveal evidence of the crime because investigators did not know that the suspects actually carried cellphones, that their devices used Google applications, or that Location History was enabled.

The Court of Appeal rejected that argument. The affidavit supported reasonable inferences that the suspects likely possessed cellphones, that modern smartphones commonly use Google applications, and that Google therefore might possess location information capable of revealing the suspects' identities.

Probable cause did not require certainty that the perpetrators carried qualifying devices. The question was whether there was a fair probability that evidence identifying the suspects would be found through the requested search.

Probable-Cause Standard Probable cause permits reasonable factual inferences. Investigators did not have to prove in advance that the unknown suspects carried Google-enabled devices; the affidavit needed to establish a fair probability that the requested records would contain evidence identifying suspects or witnesses.

Why the Geographic and Temporal Scope Mattered

The court repeatedly emphasized that the warrant was narrowly drawn. The 22-minute period closely tracked the known timing of the offense, 911 calls, and suspect flight.

The geographic boundary similarly focused on the crime scene and the immediately adjacent route where witnesses had observed the suspects flee.

The court contrasted such tailoring with geofences encompassing large residential or commercial areas over longer periods, where large numbers of uninvolved users are likely to be swept into the search.

Drafting Lesson The defensibility of a geofence warrant is closely connected to the investigator's ability to explain every minute and every portion of the geographic boundary. Avoid “round-number” time periods and oversized map boundaries when more precise evidence exists.

Why the Warrant Was Sufficiently Particular

The Fourth Amendment's particularity requirement prevents general searches by limiting what investigators may search and seize.

Price argued that the warrant improperly allowed Google and investigators to search data belonging to persons who were not identified in advance. The Court of Appeal nevertheless concluded that the warrant's combination of narrowly specified geography, date, time, requested information, and staged disclosure process sufficiently constrained the search.

The warrant described the electronic information sought and incorporated Google's production protocol. It did not authorize an open-ended search of all Google records or indefinite historical location information.

Particularity Holding The warrant was sufficiently particular because the location, time period, and categories of information were specifically described and tightly tied to the criminal event under investigation.

How Google's Multi-Stage Production Worked

Stage One: Anonymous Location Data

Google searched for Location History records associated with devices present within the geofence during the 22-minute period. The first-stage production contained five anonymous device identifiers.

Stage Two: Additional Movement Information

Investigator Deanne requested additional location information for the five anonymous devices before and after the geofence period.

That information showed that two devices remained near the victim's residence for approximately five to seven minutes during the relevant period and then traveled east on Limonite Avenue, consistent with surveillance footage showing a silver vehicle moving in that direction after the shooting.

Stage Three: Identifying Information

Investigators subsequently obtained account-identifying information connected with relevant devices. That process helped identify Price as a suspect and supported further investigative steps and warrants.

Protocol Is Not Automatically Constitutional Price did not establish that Google's staged protocol is valid regardless of warrant scope. The court repeatedly tied its conclusion to the unusually narrow geography, time period, probable cause, and restrained execution in this particular investigation.

The Alternative Good-Faith Holding

The court also held that even if the geofence warrant had violated the Fourth Amendment, suppression would not have been appropriate under United States v. Leon.

The warrant was issued in November 2019. At that time, there were no published decisions anywhere in the country squarely resolving the constitutionality of geofence warrants.

Investigator Deanne prepared a detailed affidavit, sought authorization from a magistrate, executed the warrant according to Google's staged protocol, and limited subsequent requests to information reasonably useful in distinguishing suspects and witnesses from uninvolved users.

The court concluded that a reasonably trained officer in Deanne's position had no reason to believe the warrant was invalid.

Alternative Ground Even if the geofence warrant had been unconstitutional, objectively reasonable reliance on the magistrate's authorization would have prevented suppression under Leon.

Current Practice The novelty rationale was based on the law existing in 2019. Agencies seeking geofence or other reverse-location process today must evaluate the substantial body of appellate authority that developed after Price.

CalECPA and the Notice Violation

The California Electronic Communications Privacy Act governs law-enforcement access to specified electronic communication and device information and includes warrant, particularity, and notice requirements.

Price argued that the warrant violated CalECPA both substantively and procedurally.

The Court of Appeal rejected the argument that the geofence warrant insufficiently described the electronic information sought. The warrant identified the date, time, geographic area, and categories of Google location and identifying information requested.

The court did find problems with the government's compliance with CalECPA's notice provisions. Investigators had obtained judicial extensions delaying notice, but the statutory notice process was not fully followed.

Nevertheless, the court concluded that suppression was not warranted because the notice violations did not undermine the purpose of the statutory provisions or materially prejudice Price under the circumstances.

California Compliance A constitutionally valid electronic warrant can still create statutory problems if CalECPA notice, sealing, disclosure, retention, or other procedural requirements are neglected. Build statutory compliance into the investigation from the outset rather than treating it as a post-search administrative matter.

Price Compared with People v. Meza

Price and Meza were decided only months apart and provide an unusually useful California comparison.

Issue	People v. Meza	Price v. Superior Court
Number of Areas	Six geofence locations.	One tightly defined crime-scene geofence.
Geographic Scope	Some areas swept broadly, including an approximately 7.5-acre residential area.	Victim's front yard and short stretch of adjoining street tied to suspect flight.
Time	Multiple periods; some substantially broader.	22 minutes closely surrounding the shooting.
Innocent-User Exposure	Significant concern, particularly around residences.	Minimized through narrow geography and timing.
Fourth Amendment Result	Overbroad and insufficiently particular.	Probable cause, particularity, and breadth requirements satisfied.
Suppression	No suppression because of good faith.	No suppression; good faith would apply even if the warrant were invalid.

Operational Value of the Pair Meza and Price demonstrate that California geofence analysis is highly fact dependent. The constitutional question is not merely whether the technique is called a “geofence warrant,” but how precisely investigators define who, where, when, what data, and how the provider disclosure will be narrowed.

What Price Does—and Does Not—Establish

Price upheld the specific geofence warrant before the court.
It does not establish that all geofence warrants are constitutional in California.
The court repeatedly relied on the warrant's narrow 22-minute window and tightly defined geography.
The decision does not excuse broad residential geofences unsupported by specific facts.
The staged Google production protocol did not eliminate the need for probable cause and particularity.
The court viewed the small number of returned devices and restrained execution as consistent with the warrant's intended narrowness.
Good faith was an alternative basis for denying suppression, not the primary constitutional holding.
The government's CalECPA notice failures were real even though suppression was not warranted.
Later federal and state authority must now be considered when evaluating similar warrants.
Price should be read together with Meza, not in isolation.

Agency Operations Checklist

Start with conventional evidence. Use surveillance video, eyewitness information, timestamps, dispatch records, physical evidence, and known suspect routes to define the digital search.
Use one geofence when one will do. Avoid multiplying search areas merely because the technology permits it.
Draw the smallest defensible boundary. Include only locations tied by evidence to the crime, suspects, or witnesses.
Justify every minute. Match the requested time period to the known offense timeline rather than using broad default windows.
Explain why the perpetrator likely carried a device. State the factual and reasonable-inference basis for expecting responsive Google location data.
Describe the provider process accurately. Explain Location History, anonymized identifiers, expanded movement information, and subscriber disclosure.
Minimize uninvolved-user exposure. Identify nearby residences, businesses, roads, medical facilities, schools, and other sensitive locations.
Specify narrowing criteria. Explain how investigators will distinguish suspects or witnesses from devices merely passing through.
Request only what is necessary. Avoid acquiring broader historical movement information than is needed to evaluate relevance.
Document every stage. Preserve the original return, all device identifiers, additional data requests, investigator selection decisions, and subscriber disclosures.
Comply independently with CalECPA. Track sealing orders, notice deadlines, extensions, service requirements, and disclosure obligations.
Review current precedent. Price describes a 2019 warrant. Present-day applications must account for later California, federal circuit, and Supreme Court authority.

Litigation and Review Checklist

Plot the exact geofence boundary on a map.
Explain the evidence supporting every portion of that boundary.
Identify the exact offense timeline and justify the warrant's start and end times.
Determine how many residences, businesses, roadways, and uninvolved persons were potentially affected.
Identify how many devices were searched and returned at stage one.
Identify the criteria supporting any request for expanded stage-two location information.
Determine how investigators selected devices for stage-three identification.
Trace whether additional judicial authorization was sought at later stages.
Review the warrant's description of the Google production protocol.
Analyze probable cause separately from particularity and overbreadth.
Compare the warrant directly to Meza and other controlling geofence decisions.
Analyze good faith separately from constitutional validity.
Audit CalECPA notice, sealing, service, and extension requirements.
Trace downstream evidence to determine whether later warrants contained independent probable cause.

Frequently Asked Questions

Did Price uphold a geofence warrant?

Yes. The California Court of Appeal held that the warrant before it satisfied the Fourth Amendment's probable-cause and particularity requirements and was not overbroad.

How long was the geofence window?

Twenty-two minutes, from 10:00 p.m. to 10:22 p.m., closely surrounding the shooting and immediate suspect flight.

How large was the geofence?

It covered the victim's front yard and a short section of Homestead Street extending approximately two houses in each direction, where the suspects had been observed fleeing.

How many devices did Google initially identify?

Five anonymous device IDs were returned at the first stage.

What happened during stage two?

Investigators obtained additional movement information for the five devices. Two appeared near the victim's residence for approximately five to seven minutes and then traveled east along a route consistent with surveillance evidence.

Why did Price reach a different result from Meza?

Price involved materially narrower geography and timing, stronger ties between the geofence boundaries and the known crime facts, and less exposure of uninvolved users. Meza involved substantially broader geofences and greater post-disclosure investigator discretion.

Did the court find a CalECPA violation?

Yes, concerning the statutory notice requirements. The court nevertheless concluded that suppression was not warranted on the facts.

Would good faith have applied if the warrant were unconstitutional?

Yes. The court held alternatively that the Leon good-faith exception would prevent suppression because investigators reasonably relied on judicial authorization in 2019 when geofence precedent was essentially nonexistent.

Does Price mean California agencies may use geofence warrants today exactly as investigators did in 2019?

No. Agencies must consider all subsequent controlling authority and current provider practices. The decision remains valuable primarily for its analysis of geographic, temporal, and investigative tailoring.

Primary Authorities and Related Law

Price v. Superior Court, 93 Cal. App. 5th 13 (2023)
Published California Court of Appeal decision upholding a narrowly drawn geofence warrant and addressing probable cause, particularity, good faith, and CalECPA.
Read Price v. Superior Court

People v. Meza, 90 Cal. App. 5th 520 (2023)
California Court of Appeal decision invalidating a materially broader geofence warrant while applying the good-faith exception.
Read People v. Meza

California Electronic Communications Privacy Act, Penal Code § 1546 et seq.
California statutory framework governing law-enforcement acquisition of electronic communication and device information.
Read CalECPA

Carpenter v. United States, 585 U.S. 296 (2018)
Supreme Court decision recognizing significant Fourth Amendment privacy interests in historical cellphone location information.
Read Carpenter v. United States

United States v. Leon, 468 U.S. 897 (1984)
Supreme Court decision establishing the good-faith exception for objectively reasonable reliance on judicial warrants.
Read United States v. Leon

Final Assessment

Price v. Superior Court is one of the most useful operational geofence decisions because it demonstrates what meaningful tailoring looks like. Investigators began with conventional evidence establishing the precise scene, approximate offense time, suspect flight directions, and surveillance route. They then translated those facts into a digital boundary covering a limited physical area for only 22 minutes.

That distinction explains why Price reached a different result from People v. Meza. The constitutional issue was not resolved simply by labeling either search a “geofence warrant.” The courts examined the relationship between the evidence known before the search and the geography, time period, number of people potentially affected, information requested, and discretion retained during execution.

Price also reinforces that California agencies face two independent bodies of law. Fourth Amendment compliance does not eliminate CalECPA obligations. The warrant itself survived constitutional scrutiny, yet investigators still violated statutory notice requirements.

Shield Practice Rule Build a geofence from the evidence outward: define the crime location from known facts, justify every portion of the boundary, use the shortest supportable time window, minimize uninvolved-user exposure, limit later-stage disclosures to what the investigation actually requires, and independently calendar every CalECPA procedural obligation.