LIVE MARATHON: 7AM on WBZ-TV; 9AM on WBZ Radio; Race, Finish Line & Heartbreak on
Live Blog | Mile By Mile Guide | Road Closures | Best Spectator Spots | Forecast | All Marathon Coverage

Murder Victim's Family Hopes DNA Testing Brings Closure

New DNA testing ties the suspected Boston Strangler to the murder of Mary Sullivan. Christina Hager reports.