Philip Haynes Markoff (February 12, 1986 – August 15, 2010) was an American medical student who was charged with the armed robbery and murder of Julissa Brisman in a Boston hotel on April 14, 2009, and two other armed robberies.
Markoff maintained his innocence of all charges and pleaded not guilty at his arraignment.
A grand jury indicted Markoff for first-degree murder, armed robbery, and other charges.On August 15, 2010, Markoff committed suicide in Boston's Nashua Street Jail, where he was awaiting trial.
The media have referred to this murder and other murders as "Craigslist killings" because the killer was alleged to have met his victims through ads placed on Craigslist, two of which were offering erotic services.