Boston police have reopened a 20-year-old unsolved murder investigation at the urging of the victim's friend, who was reminded of the case by the so-called Craigslist killing.

Karen Edwards, a Florida lawyer, was fatally stabbed just minutes after checking into her Boston hotel room on June 1, 1989. Her attacker fled with $200 and was never caught.

Brad MacDonald, Edwards' former high school classmate, tells The Boston Globe he was reminded of the case by the April 14 slaying of Julissa Brisman inside a Boston hotel and the arrest of a suspect police say she met on Craigslist.

MacDonald prompted Edwards' friends and colleagues to contact Boston authorities.

A spokeswoman for Boston police says the department is "pursuing several new avenues" in the case.