Posted at: 04/19/2013 4:22 PM
Updated at: 04/19/2013 4:55 PM

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Boston Bombing Suspects: Timeline of Events

WATERTOWN, Mass. (AP) - The transit police officer who authorities say was severely wounded overnight by the Boston Marathon bombing suspects is out of surgery and has been stabilized. A transit agency spokesman says Officer Richard Donohue remains in critical condition.
    

Suspect's Vehicle:
 
HARTFORD, Conn. (AP) - Connecticut State Police say they received information from investigators in Boston that the at-large suspect in the marathon bombing could be traveling in a green Honda Civic. Authorities in Connecticut urged people earlier Friday to be on the lookout for a gray Honda CRV, but it later emerged that vehicle had been recovered in Boston. Nineteen-year-old Dzhokhar Tsarnaev is the target of a massive manhunt. His brother Tamerlan was also identified as a suspect in Monday's twin bombings and was killed in a night of violent clashes with police.
 
Suspect's Campus:   
 
DARTMOUTH, Mass. (AP) - Students at the University of Massachusetts Dartmouth tell The Associated Press that Boston Marathon bombing suspect Dzhokhar Tsarnaev was on campus this week after the bombings. Tsarnaev is a student at the school, about an hour's drive south of Boston. Students say he lived on the third floor of a campus dormitory. One student who lives on the same floor, tells the AP he saw him in the dorm hallway this week and Tsarnaev was calm. Authorities are swarming the campus. The school was evacuated this morning amid a manhunt for Tsarnaev. FBI and SWAT teams have been seen on the campus.
 
Suspect's Sister:
 
WEST NEW YORK, N.J. (AP) - The FBI is at the northern New Jersey home of the sister of the Boston Marathon bombing suspects.
    
The police director in West New York, N.J., says the woman has told authorities she has not been in frequent touch with her brothers. He says she is very upset.
    
Police did not have her name.
    
They have cordoned off the three-story brick building across the Hudson River from New York City.
    
The woman, speaking through a crack in the door, tells The Star-Ledger of Newark her brothers are smart and great people. She says she doesn't know what got into them.
    
She also tells the newspaper she is sorry for "all the people who are hurt."
 
Cache of Weapons:
 
WASHINGTON (AP) - The senior Democrat on the House Intelligence Committee says the two Boston Marathon bombing suspects had collected pipe bombs, grenades and improvised explosive devices before they confronted police. Congressman Dutch Ruppersberger said that the brother who fled after a furious gunfight hurled some of the devices at police as he drove away in a stolen car.
    
The Maryland Democrat said, "They clearly amassed a small arsenal of explosives."
    
Ruppersberger, who was briefed by authorities,said U.S. law enforcement and intelligence officials plan to quickly pivot from their search for the surviving suspect to learn whether the brothers had any help or contact from terrorist groups inside or outside the U.S. Ruppersberger said authorities likely will ask Russian officials for evidence in Chechnya and other nearby Russian regions.
 
Suspects' Friends:
 
BOSTON (AP) - Two high school friends of the at-large suspect in the Boston Marathon bombings are appealing to him not to hurt anyone else and to turn himself in.
    
Ashraful Rahman and Essah Chisholm attended Cambridge Rindge & Latin School with Dzhokhar Tsarnaev (JOH'-kahr tsarh-NY'-ev).
    
Rahman tells The Associated Press in a Facebook message that they want Tsarnaev to stop and appeals to him to "not kill himself or do any further harm to anyone." He describes him as a hardworking wrestler who was calm and chill, someone who never did anything wrong. He says he wants to know why he did all this and wants him to reach out to his friends.
    
Chisholm tells the AP in a Facebook message that he wants to tell his friend not to kill himself or hurt anyone.
 
Suspects' Uncle:
 
MONTGOMERY VILLAGE, Md. (AP) - The uncle of a Boston Marathon bombing suspect is urging his nephew to turn himself in.
    
Ruslan Tsarni of Montgomery Village, Md., said Friday that 19-year-old Dzhozkar Tsarnaev should turn himself in to police and ask for forgiveness. Officials say Tamerlan Tsarnaev, a 26-year-old who had been known to the FBI as Suspect No. 1, was killed overnight.
    
The brothers came from a Russian region near Chechnya and lived together in Cambridge, Mass. Tsarni says he hasn't seen them for several years.
    
He says the family is ashamed. He says he loves the U.S. and respects this country.
 
Suspects' Father:
 
MAKHACHKALA, Russia (AP) - The father of the suspects in the Boston Marathon bombing claims that his son who is still on the loose is a smart and accomplished young man.
    
Anzor Tsarnaev spoke with The Associated Press by telephone from the Russian city of Makhachkala on Friday after police said one of his sons, 26-year-old Tamerlan, had been killed in a shootout and the other, Dzhokhar, was being intensely pursued.
    
"My son is a true angel," the elder Tsarnaev said. "Dzhokhar is a second-year medical student in the U.S. He is such an intelligent boy. We expected him to come on holidays here."
 
Suspects' Names:
 
WASHINGTON (AP) - A U.S. law enforcement official and the uncle of the suspects in the Boston Marathon bombings are confirming that the name of the second suspect is Tamerlan Tsarnaev, the older brother of Dzhokhar A. Tsarnaev, 19. Tamerlan Tsarnaev was killed in a gun battle with police in Massachusetts overnight.
 
Three law enforcement officials, speaking on condition of anonymity due to the sensitivity of the ongoing investigation, confirmed the bomb suspects were brothers. One of the officials and the men's uncle confirmed the identity of Tamerlan Tsarnaev.
 
The uncle, Ruslan Tsarni of Montgomery Village, Md., told The Associated Press that the men lived together near Boston and have been in the United States for about a decade. They traveled here together from the Russian region near Chechnya.
 
Key Moments:

Key moments related to the search for the Boston Marathon bombing suspects, based on reports from the Middlesex County district attorney, Massachusetts State Police and Boston police.

- At 5:10 p.m. Thursday, investigators of the bombings release photographs and video of two suspects. They ask for the public's help in identifying the men.

- Around 10:20 p.m., shots are fired on the campus of the Massachusetts Institute of Technology in Cambridge, just outside Boston.

- At 10:30 p.m., an MIT campus police officer who was responding to a disturbance is found shot multiple times in his vehicle, apparently in a confrontation with the Boston Marathon bombing suspects. He is later pronounced dead.

- Shortly afterward, two armed men reportedly carjack a Mercedes SUV in Cambridge. A man who was in the vehicle is held for about a half hour and then released unharmed at a gas station on Memorial Drive in Cambridge.

- Police soon pursue the carjacked vehicle in Watertown, just west of Cambridge.

- Some kind of explosive devices are thrown from the vehicle in an apparent attempt to stop police. The carjackers and police exchange gunfire. A transit police officer is seriously injured. One suspect, later identified as Suspect No. 1 in the marathon bombings, is critically injured and later pronounced dead.

- Authorities launch a manhunt for the other suspect.

- Around 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.

- Around 4:30 a.m., Massachusetts state and Boston police tell people living in that section of eastern Watertown to stay in their homes. They identify the carjackers as the same men suspected in the marathon bombings. Overnight, police also release a photograph of a man believed to be Suspect No. 2 wearing a gray hoodie-style sweatshirt. The image apparently is from surveillance video taken at a gas station.

- Around 5:50 a.m. authorities urge residents in Watertown, Newton, Waltham, Belmont, Cambridge, Arlington and the Allston-Brighton neighborhoods of Boston to stay indoors. All mass transit is shut down.

- Around 6:35 a.m., The Associated Press reports that the bomb suspects are from a Russian region near Chechnya and lived in the United States for at least a year.

- Around 6:45 a.m., The Associated Press identifies the surviving Boston bomb suspect as Dzhokhar A. Tsarnaev, 19, who has been living in Cambridge.

- Around 8 a.m., Boston's police commissioner says all of Boston must stay in their homes as the search for the surviving suspect in the bombings continues.

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

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

- Around 10:35 a.m., the 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.

- Around 11:30 a.m., Massachusetts State Police explain that the brothers suspected in the bombings were in the Honda CRV when they carjacked the Mercedes SUV. For a while, each drove one of the two vehicles, but then ditched the Honda and reunited in the Mercedes.

- Around 12:35 p.m., state police in Watertown say officers are searching door-to-door but still have not found the bombing suspect.
 
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