(NEWSER) - Boston police arrested 22-year-old premed student Philip H. Markoff today for being the "Craigslist killer," the Boston Herald reports. Nabbed at a traffic stop outside Boston, Markoff was charged with murder, kidnapping, and unlawful possession of a firearm, and thrown behind bars. Police believe he murdered a masseuse last week and recently attacked a hooker and a lap-dancer—all of whom he met on Craigslist. More»