The first trailer for the cop-thriller End of Watch has gone online.  The film stars Jake Gyllenhaal and Michael Peña as a couple of uniformed officers who overstep their bounds when they decide to investigate a drug cartel and end up becoming targets.  Writer-director David Ayer, who previously wrote Training Day, Dark Blue, S.W.A.T., and directed Street Kings, appears to be staying firmly in his comfort zone but now he's gone the overused found-footage route.  Steve was excited by what he saw when he visited the set, but this trailer has me waiting to be convinced.Hit the jump to check out the trailer.  The film also stars Anna Kendrick, America Ferrera, Frank Grillo, and Natalie Martinez.  End of Watch opens September 28th.Click over to Yahoo! Movies to see the trailer in HD.

Here's the official synopsis for End of Watch:

A powerful story of family, friendship, love, honor and courage, End Of Watch stars Academy Award nominee Jake Gyllenhaal and Michael Peña as young Los Angeles police officers Taylor and Zavala as they patrol the city’s meanest streets of south central Los Angeles.

Giving the story a gripping, first-person immediacy, the action unfolds entirely through footage from the handheld HD cameras of the police officers, gang members, surveillance cameras, and citizens caught in the line of fire to create a riveting portrait of the city’s darkest, most violent corners, the cops who risk their lives there every day, and the price they and their families are forced to pay.