Not-guilty plea entered in Philip Markoff 's behalf in woman 's slaying in Boston . A 22-year-old medical student suspected of killing a woman he may have met through a Craigslist online ad was arraigned Tuesday and will be held without bail . Prosecutors say semiautomatic firearm found in search of student 's home . The Associated Press contributed to this report. E-mail from suspect 's fiancee says police have `` wrong man ''
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 . The Associated Press contributed to this report. E-mail from suspect 's fiancee says police have `` wrong man ''