sfpd_crimescene.jpg3:18 PM: Patrons of a local gym helped San Francisco police nab a possible murder suspect this morning after he crashed his car and then allegedly tried to carjack another driver.

The homicide occurred this morning at the Convalescent Center Mission Street at 5767 Mission St., in the Outer Mission neighborhood.

Center president Jeremy Grimes said the victim was a resident of the center, and the suspect is a former employee. He declined to discuss the case further.

Police spokesman Officer Albie Esparza said it is not yet clear what time the murder happened, but that police were called to the center at 10:24 a.m. on a report of an assault with a deadly weapon. The suspect had fled before police arrived.

Twelve minutes before that call, officers had been dispatched to a two-car crash and attempted carjacking in another part of the city, at 16th and De Haro streets in the Potrero Hill neighborhood.

In that crash, the driver of a Toyota Camry–who police are now calling a “person of interest” in the homicide–crashed into a Nissan Pathfinder, knocking the Pathfinder onto its side, Esparza said.

The driver got out of the Camry and tried to carjack a silver sport-utility vehicle, reaching through a window and choking the driver, Esparza said. He then fled on foot down 16th Street.

Robin Talmadge, the owner of World Gym at the corner of 16th and De Haro streets, said some gym clients saw the crash and took off after the suspect.

“Two members of the gym actually tackled the guy, and they held him until police got there,” Talmadge said.

Others ran to help the woman who had been driving the Pathfinder, police said.

Police have not yet released the name of the suspect or a possible motive in the killing; the victim’s name has also not yet been released.

11:52 AM: San Francisco police are at the scene of a rollover crash in the city’s Potrero Hill neighborhood, where they have taken into custody a man wanted for a homicide this morning, a police spokeswoman said.

The homicide occurred at a convalescent center in the 5700 block of Mission Street, in the Outer Mission neighborhood, according to Lt. Lyn Tomioka.

The suspect fled the center on foot, Tomioka said.

A man believed to be the suspect was taken into custody at the scene of a rollover crash reported at 10:12 a.m. at 16th and De Haro streets.

The identities of the suspect and the victim have not yet been released.

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