@filesfromthedark on Instagram: "23-year-old Philip Markoff, dubbed the “Craigslist Killer,” shocked the public in 2009 with his image as a high-achieving medical student. In just one week, Markoff targeted women advertising services on Craigslist’s “Erotic Services” section, luring them to luxury hotels across the Northeast. On April 10, Markoff met 29-year-old Trisha Leffler at the Westin Copley Place in Boston. He pulled a gun, bound her with zip ties, and robbed her of $800 and her debit car

Tips for buying, selling safely through Craigslist, Facebook Marketplace