Not-guilty plea entered in Philip Markoff 's behalf in woman 's slaying in Boston . Prosecutors say semiautomatic firearm found in search of student 's home . CEO says Craigslist looking for ways to make site safer in wake of killing . TL;DR A Massachusetts man has pleaded not guilty to charges that he shot and killed a college student, then posted the victim's photo on his Facebook page.
Not-guilty plea entered in Philip Markoff 's behalf in woman 's slaying in Boston . Prosecutors say semiautomatic firearm found in search of student 's home . CEO says Craigslist looking for ways to make site safer in wake of killing . E-mail from suspect 's fiancee says police have `` wrong man ''