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Boston Marathon Bombings: Timeline of events in the manhunt for bombing suspects

Updated map / timeline of pursuit of Boston bombing suspects. Includes map of communities advised to shelter in place by police. CBSNews/Stamen

CBSNews/Stamen

(CBS/AP) WATERTOWN, Mass. - All residents of Boston were ordered to stay in their homes Friday morning after the suspects in the marathon bombings allegedly killed an MIT police officer overnight, injured a transit officer in a firefight and threw explosive devices at police during their getaway attempt, authorities said.

Below is a timeline of events of what occurred in a long night of violence that left one suspect dead and the other still at large, as of 9 a.m. Friday. Most times reported are approximate.

  • 5:10 p.m. Thursday: The FBI releases photos and videos of two suspects investigators believe are behind Monday's Boston Marathon bombing.

  • 10:30 p.m. Thursday: An MIT campus police officer was found shot in his vehicle in the area of Vassar and Main Streets. According to authorities, the officer was found with multiple gunshot wounds. He was transported to Massachusetts General Hospital and pronounced dead.

  • Moments later, police received reports of an armed carjacking by two males in the area of Third Street in Cambridge. The victim was carjacked at gunpoint by two males and was kept in the car with the suspects for approximately a half hour. The victim was released at a gas station on Memorial Drive in Cambridge. He was not injured.

  • Authorities said the suspects threw explosives from the car as police followed it into Watertown, just west of Cambridge. The suspects and police exchanged gunfire, and one of the suspects was critically injured. A transit police officer is seriously injured.

  • 1 a.m. Friday: Gunshots and explosions are heard in Watertown. Dozens of police officers and FBI agents converge on a Watertown neighborhood. A helicopter circles overhead.

  • 2 a.m. Friday: The FBI releases a new photo of Suspect #1 and Suspect #2 on its website.

  • 4 a.m. Friday: Boston Police and Cambridge Police Chief confirmed that the two men involved in the fatal shooting of an MIT campus police officer, and a shootout-chase scene into Watertown were the same suspects believed to be involved in the Boston Marathon bombing.

  • The Middlesex County D.A. confirmed that Suspect #1 has died while Suspect #2 escaped.

  • Police release a new image of Suspect #2, apparently taken from a surveillance photo at a 7/11 convenience store that was robbed several hours earlier. He is wearing a grey hoodie-style sweatshirt.

  • 4:30 a.m. Friday: Massachusetts state and Boston police hold a short outdoor news briefing. They tell people living in that section of eastern Watertown to stay in their homes.

PICTURES: Manhunt for Boston bombing suspects
PICTURES: Boston bombing victims

  • 5:30 a.m. Friday: Gov. Deval Patrick suspends all public transit service on the MBTA system.

  • People living in a number of communities were ordered to stay inside homes. The communities included Watertown, Waltham, Belmont, Newton, Allston-Brighton and Cambridge.

  • MIT, Harvard and other local colleges cancel classes.

  • 6:45 a.m.: The surviving Boston bomb suspect is identified as 19-year-old Dzhokhar Tsarnaev, who has been living in Cambridge, Mass.

  • 8:40 a.m.: A U.S. law enforcement official and the uncle of the suspects confirmed that the name of the slain suspect is Tamerlan Tsarnaev, Dzhokhar Tsarnaev's older brother.

  • 10:20 a.m.: Connecticut State Police say a gray Honda CRV believed to be linked to Dzhokhar Tsarnaev has been recovered in Boston.

  • 10:35 a.m.:University of Massachusetts Dartmouth says it closed its campus and ordered an evacuation after confirming that Dzhokhar Tsarnaev is registered there. The school says it closed the campus "out of an abundance of caution" as the search continued.

  • Noon: State police in Watertown say officers are searching door-to-door but still have not found the bombing suspect.

  • 7 p.m. ET: Police surround a home in Watertown where they believe the suspect is holed up in a backyard boat

  • 8:50 p.m. ET: Dzhokhar Tsarnaev is captured and taken into custody. Boston police soon announce via Twitter: CAPTURED!!! The hunt is over. The search is done. The terror is over. And justice has won. Suspect in custody."

Complete coverage of Boston Marathon bombings on Crimesider

  • Crimesider Staff

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