April 10, 2009 Trisha Leffler, a 29-year-old prostitute from Las Vegas, was bound, gagged, and robbed at gunpoint at the Westin Copley Place hotel after arranging to meet a man through an ad she posted on Craigslist.
April 14 Julissa Brisman, a 26-year-old masseuse, died after being hit in the head and shot three times during a struggle at the Marriott Copley Hotel. Brisman, like Leffler, had arranged to meet a man who responded to her ad on Craigslist.
April 15 A friend of Brisman forwarded to police an e-mail sent to Brisman by a man she was scheduled to see the previous night for a massage.
April 16 A man tied up and attempted to rob a 26-year-old Las Vegas prostitute at a Warwick, R.I., Holiday Inn Express, police said. The victim had also advertised on Craigslist.
April 19 Based on the IP address obtained from the e-mail forwarded by Brisman’s friend, police begin staking out the Quincy building where Markoff lived. They focused on a tall, blond man with “wispy hair” who left with a woman.
April 20 After a victim identified him as her attacker, Markoff was pulled over on I-95 in Walpole and arrested. He was charged with the fatal shooting of Brisman and the armed robbery and kidnapping of Leffler.
April 21 At his arraignment, Markoff entered a plea of not guilty.
April 22 After a search of Markoff’s apartment, police reported finding a handgun and the underwear of two victims hidden in a medical book.
April 23 A law enforcement official told the Globe that Markoff had been placed on suicide watch after an officer at the Nashua Street Jail noticed marks on his neck indicating he may have tried to hang himself.
April 24 Rhode Island investigators announced they had linked Markoff’s fingerprint and text messages to the assault at the Warwick hotel.
April 30 Megan McAllister, Markoff’s fiancee, visited him in the Nashua Street Jail. McAllister’s lawyer said the couple’s planned August 2009 wedding was called off.
June 19 A grand jury returned a seven-count indictment against Markoff in the Brisman and Leffler cases.
Feb. 22, 2010 Suffolk County Superior Court Judge Frank Gaziano ruled that prosecutors could obtain a DNA sample from Markoff to compare with biological evidence seized by investigators in the case.
June 29 Markoff’s trial in the slaying of Brisman was set for March 14, 2011, after a hearing in Suffolk Superior Court.
August 15 Markoff was found dead of an apparent suicide in his cell at the Nashua Street Jail.