the two suspects, latheem a professor at northwestern, and warren, a treasury assistant in the oxford university system, turned themselves over to authorities in san francisco late friday. that brought a peaceful close to a five-day, multistate manhunt that began way murder inside this upscale chicago high rise. >> reporter: police say latheem and warren killed 26-year-old hair stylest trenton cornell-duranleau, stabbed him to death july 27 in latheem's tenth floor apartment. according to warrants, both suspects stabbed the victim and police found two bleed knives near the body, one with a broken blade. richard aili is latheem's neighbor. >> we were shocked, there's no doubt about it. >> reporter: authorities haven't said how latheem, warren, and cornell-duranleau knew each, but surveillance video shows the suspects leaving the murder scene. in an unexplained twist, one of the suspects then made a $1,000 cash donation to a library in lake geneva, wisconsin, in the name of cornell-duranleau. as federal marshalls closed in, police say that latheem sent an apologetic video to friends and