Alleged Craigslist killer Philip Markoff arrested in Boston

Boston Police Commissioner Edward Davis (L) and Suffolk County District Attorney Edward Conley announce the arrest of alleged Craigslist killer, 22-year-old Boston University Medical School student Philip Markoff on April 20, 2009 inside the Boston Police headquarters. Markoff is charged with the murder of Julissa Berman on April 14 and the robbery and kidnapping of another unnamed prostitute on April 10. (UPI Photo/Matthew Healey)