P.

I.

FACTUAL BACKGROUND

The primary contention on appeal concerns the legality of Andres's detention by

police. We therefore summarize the testimony introduced at the hearing on Andres's

suppression motion. Facts relevant to Andres's other appellate contentions will be

discussed later.

A. Anonymous Reports of Narcotics Trafficking near 19th and J Streets

The area around 19th and J Streets in San Diego has a reputation for narcotics

trafficking. On the night of April 12, 2011, the San Diego Police Department received

several telephone calls from anonymous sources reporting suspected narcotics activity in

the area.

One call came in at 10:12 p.m. from a resident of the area. The call "was very

generic and did not offer much information." The caller stated he suspected three Black

men and a woman were "involved in some kind of narcotic transactions in his area and he

was watching them." The caller did not provide any description of the suspects' clothing.

Another call came in at 10:17 p.m. from a different resident of the area. The caller

stated he suspected two Black men were engaged in narcotics activity at 19th and

J Streets. The caller did…