United States v. Cortez Case Brief

United States v. Cortez

449 U.S. 411 | 101 S. Ct. 690 | 66 L. Ed. 2d 621 | 1981 U.S. LEXIS 58 | 49 U.S.L.W. 4099

Full access

Unlock the video and quiz

The written brief is free to read below. Subscribe to watch the video explainer and take the quiz.

Takeaway

In short, this case confirms that reasonable suspicion may arise from the cumulative force of trained officers' observations and inferences, so long as the whole picture points objectively and specifically to the vehicle or person stopped.

Background

Border Patrol officers investigating repeated groups of undocumented aliens crossing a remote part of southern Arizona found distinctive chevron-patterned footprints. From the tracks and their prior experience, the officers inferred that a guide they called “Chevron” regularly led groups of 8 to 20 people from Mexico to a pickup point near milepost 122 on Highway 86. They further inferred that the pickup vehicle would approach from the east, collect the group, and return east.

On the first clear Sunday night after several days of rain, officers predicted that Chevron would likely make another crossing. They calculated that a group leaving after dark would arrive at the highway between 2 a.m. and 6 a.m. From a position east of the suspected pickup point, they watched for large enclosed vehicles making an east-west-east trip consistent with collecting a group. Of 15 to 20 westbound vehicles, only two were suitable vehicles; only Cortez's pickup truck with a camper shell returned east about an hour and a half later. The officers stopped it and found Cortez driving, Hernandez-Loera in the passenger seat wearing chevron-soled shoes, and six undocumented aliens in the camper.

The District Court denied the defendants' motion to suppress the evidence, and a jury convicted them of transporting undocumented aliens. A divided Ninth Circuit reversed, holding that the officers had not sufficiently singled out Cortez's vehicle and that the circumstances permitted too many innocent explanations. The Supreme Court granted certiorari and reversed.

Issues

Issue #1

Whether Border Patrol officers had reasonable suspicion under the Fourth Amendment to make an investigative stop of Cortez's pickup truck.

Holding

Yes. The officers had a particularized and objective basis, based on the totality of the circumstances, to suspect that this specific vehicle was involved in transporting undocumented aliens.

Reasoning

A brief investigatory stop is a Fourth Amendment seizure and must rest on an objective indication that the person stopped is engaged, or about to engage, in criminal activity. The governing inquiry is not captured by isolated phrases such as “articulable reasons” or “founded suspicion.” Courts must instead assess the totality of the circumstances—the whole picture—and ask whether it supplied a particularized, objective basis for suspecting the particular person or vehicle stopped.

The whole-picture inquiry permits officers to combine objective observations, available information, and their knowledge of criminal patterns. Experienced officers may draw practical inferences from facts that may appear unremarkable to an untrained observer. The inquiry concerns probabilities rather than certainties, and reviewing courts should evaluate the evidence as understood by officers experienced in the relevant field rather than through detached, after-the-fact analysis.

Here, the officers assembled a detailed pattern associated with the guide called Chevron. The distinctive footprints, the route across the desert, the recurring destination near milepost 122, the tendency to travel on clear weekend nights, and the two-week gap since the most recent trip gave the officers reason to predict that another crossing was likely on the clear Sunday night they chose for surveillance.

The officers also reasonably narrowed their suspicion to Cortez's vehicle. Based on the estimated pace of a nighttime thirty-mile desert journey, they predicted the group's arrival time. Based on the tracks' direction, they predicted that a pickup vehicle would travel from the east to milepost 122 and then return east. And because prior groups contained 8 to 20 people, they focused on enclosed vehicles capable of carrying a group of that size.

Cortez's pickup was the only vehicle that matched the relevant pattern during the surveillance period: it was an enclosed pickup truck, traveled west during the predicted time window, and returned east after approximately the time needed to reach milepost 122 and come back. Those facts did not establish probable cause, but the Fourth Amendment did not require probable cause for this limited immigration stop. They reasonably supported suspicion that this particular pickup had collected Chevron and a group of undocumented aliens.

The stop was also limited in scope. The officers initially stopped the vehicle to ask about the occupants' citizenship and immigration status and about the suspicious round trip. No search occurred until Cortez voluntarily opened the camper. Because the intrusion was brief and reasonably related to its justification, it satisfied the Fourth Amendment.

Concurrences

Justice Stewart

Reasoning

Justice Stewart agreed that the stop was valid under United States v. Brignoni-Ponce. In his view, the officers possessed an abundance of specific, articulable facts: Chevron's repeated smuggling activity, his usual early-morning arrival near milepost 122, his tendency to travel on weekends and in good weather, and the likelihood of a trip on the first clear weekend night after a two-week interval.

Stewart emphasized how unusual Cortez's conduct was in context. Highway 86 was nearly deserted at night, and only two vehicles capable of carrying a sizable group passed the officers. Cortez's vehicle alone made a nighttime trip toward milepost 122 and returned after just enough time to reach that isolated location and come back. The most likely explanation, Stewart concluded, was that the vehicle had collected Chevron and undocumented aliens.