A basic search of the social-networking site for OYG or Jeff Mob, the gang based in the Jefferson Houses in East Harlem, yields shout-outs and throwdowns.
"I knoe bitches from oyg that would dead mob yah s--t in harlem," one girl wrote in a series of tweets aimed at drawing out a rival for a fight.
Investigators are monitoring the traffic in hopes of sweeping up gangbangers before the bloodshed - and searching Twitter after attacks for clues.
"It is another tool ... just like old phone records," a police source said. "We can go through them [messages] to track these guys."
via nydailynews.com