Boston bombing manhunt: Latest developments

State Police arrest a man walking at the UMASS-Dartmouth campus during their sweep of the university Friday, April 19, 2013, in Dartmouth, Mass. AP Photo/Standard Times, Peter Pereira

Updated 7:50 p.m. Eastern

LATEST ON THE MANHUNT FROM POLICE, FBI

  • Gunfire erupted Friday night amid the manhunt for the surviving suspect in the Boston Marathon bombing, and police in armored vehicles and tactical gear rushed into Watertown, Mass. Police are focusing on a house, where there is a covered boat in the back yard. CBS affiliate WBZ-Boston reported, citing sources, the man in the boat is fugitive bombing suspect Dzhokhar Tsarnaev and that police were able to locate him using thermal imaging.
  • Earlier, suspect Dzhokhar Tsarnaev fled on foot and police have no indication he has a vehicle, said State Police. Col. Timothy Alben.
  • Massachusetts state police say they believe Dzhokhar is still in the state because of his ties to the area.
  • After initially denying any previous contact with either brother, the FBI said it did interview Tamerlan two years ago at the request of a foreign country government about possible extremist ties. The FBI said it did not find any derogatory information about him and closed the case file.
  • Police found assembled pipe bombs inside the suspects' residence, CBS News senior correspondent John Miller reported, as well as IED's along the chase route. There was meant to a controlled detonation of a device(s) or materials found at the 410 Norfolk Street in Cambridge.
  • Police completed searching door to door through a cordoned off 20 square block area of Watertown without result Friday, but will keep round the clock patrols there through Monday.
  • THE SUSPECTS

  • Tamerlan Tsarnaev, 26. Man in black hat in surveillance video released by FBI. Killed in shootout Thursday night.
  • Boston marathon bombing suspects Tamerlan Tsarnaev, 26, and his brother Dzhokhar A. Tsarnaev, 19.
    AP/The Lowell Sun/Julia Malakie, Bkontakte

  • Dzhokhar Tsarnaev, 19. Man in white hat in video. On the run. Presumed to be armed and possibly wearing an explosive vest, reported CBS News correspondent Bob Orr.
  • After emigrating in 2002, the brothers lived in the U.S. for at least a decade and were legal permanent residents.
  • Tamerlan arrived from Kyrgyzstan, came on a tourist visa in April, 2002, sought asylum in Sept. 2002, and he gained lawful resident status in February 2007, reported CBS News senior investigative producer Pat Milton.
  • Dzhokhar Tsarnaev became a naturalized American citizen on Sept. 11, 2012, Milton reported.
  • Tamerlan Tsarnaev trained at the Somerville boxing club, corner man Ernie McKinley told CBS's Anthony Mason. McKinley said in 2010 Tamerlan won the Northeast regional Golden Gloves heavyweight championship three years ago. He called him a "tremendous" fighter in "tremendous" condition.
  • BOSTON UNDER LOCKDOWN

  • Massachusetts Gov. Deval Patrick said Friday evening that mass transit service is resuming in Boston even though one bombing suspect is still on the lam. Authorities in Boston had suspended all mass transit and warned close to 1 million people in the entire city and some of its suburbs to stay indoors. The other suspect, his brother, died in a desperate getaway attempt.
  • The Red Sox and Bruins have postponed their games while authorities search for the bombing suspect.
  • UMass-Dartmouth was evacuated, because the younger of two suspects, Dzhokhar Tsarnaev, was a registered student there with a dorm room. UMass-Dartmouth canceled classes and asked students, staff, and faculty to leave campus in a calm and orderly fashion. Student Francis Barry told CBS to the best of his knowledge, Dzhokhar was a full-time student until February, when Dzhokhar dropped out of sight.
  • MIT, Harvard, Boston College, Emerson, and all Boston colleges canceled classes Friday. Massachusetts public schools were on spring break. Boston public schools canceled all other activities.
  • Amtrak suspended all service in the Northeast Corridor at 12: 45 pm. Earlier, service was suspended in and out of Boston, and between Providence, Rhode Island and Boston. Amtrak is operating normally between Washington, Philadelphia, and New York and between New Haven, Conn. and Springfield, Mass.
  • Police advised residents of adjacent communities -- Belmont, Cambridge, Newton, Waltham, and Boston neighborhoods of Alston and Brighton -- to stay home.
  • TIMELINE OF THE CHASE

    CBSNews/Stamen

  • After fatally shooting MIT campus security officer Sean Collier, 26 at around 10:30pm, the suspects carjacked a Mercedes, and then were chased by police into Watertown, where a shootout occurred, killing Tamerlan Tsarnev (suspect 1 ,black hat). During the confrontation, CBS News senior correspondent John Miller reported, Tamerlan threw another pressure cooker bomb out of the car; the lid ended up embedded in the side of a police car.
  • Tamerlan was brought to Beth Israel Hospital in Boston, went into cardiac arrest and died in the ER. Doctors said he had both gunshot wounds and wounds consistent with a bomb blast such as burns and shrapnel wounds, but the Medical Examiner will determine exact cause of death.
  • A Honda CRV belonging to Tamerlan Tsarnev was located abandoned in Boston. The car had Massachusetts plate 316-ES9, registered October 1 2012, expiring September 2014. The listed address is the 410 Norfolk Street address in Cambridge.
  • A woman was seen removed by police from 410 Norfolk Street this morning. Her identity has not been revealed.
  • NEW INFORMATION FROM FAMILY MEMBERS

    The father of USA Boston bomb suspects, Anzor Tsaraev reacts as he talks to the media about his sons, in his home in the Russian city of Makhachkala, April 19, 2013.
    The father of USA Boston bomb suspects, Anzor Tsaraev reacts as he talks to the media about his sons, in his home in the Russian city of Makhachkala, April 19, 2013.
    AP Photo

  • The suspect's father, Anzor Tsarnaev, told former CBS Moscow Bureau Chief Beth Knobel that his sons were "good boys." The older one wanted to be a boxer, and the younger one was in college. They are ethnic Chechens, born in the former Soviet Republic of Kyrgyzstan, then lived in Dagestan, before emigrating to the U.S. ten years ago. Both were raised as Muslims; the older son was more observant. He (the father) returned to Dagestan a year ago for medical reasons; the boy's mother is in Russia, he said. The father said the boys were happy in America and felt more American than Russian.
  • The FBI and police interviewed one of the suspects' two sisters -- 22 year-old Ailina Tsarnaev -- in West New York, New Jersey. West New York Police Director Michael Indri told CBS's Amy Burkholder & Michelle Miller that Ailina told investigators she has not had contact with either brother for years. Investigators hauled off her home computer and other personal items for a closer look.. Indri said Ailina does not fear for safety and plans on staying at home.
  • Ruslan Tsarni, uncle of the suspected Boston Marathon bombing suspects, speaks to reporters in front of his home April 19, 2013 in Montgomery Village, Maryland.
    Allison Shelley

  • The suspects' uncle, Ruslan Tsarni, a brother of the boys' father, speaking to reporters in English outside his home in Montgomery Village, Maryland, said the boys emigrated to the U.S. in 2003 and later obtained political asylum. He called them "losers" who were "not able to settle themselves." He said he and his immediate family had not been in contact with the boys in four years, since 2009. "It is atrocity. We're devastated, we're shocked," he said. "We're ashamed. They're children of my brother." Tsarni also called on his nephew to turn himself in.
  • The suspects' other uncle, Alvi Tsarni, who also lives in Maryland, told CBS's Miles Doran in a telephone interview, that he and his brother changed their last name from Tsarnaev. Alvi Tsarni said his older nephew, suspect Tamerlan, called him Thursday night at 7:05pm. He had not heard from him in 2-3 years and has not seen them in 7 years. Tamerlan apologized for not talking to him in so long. They prayed together over the phone. They did not discuss the Boston Marathon bombing, and apparently the uncle did not realize Tamerlan was a suspect.
  • Maret Tsarnaeva, an aunt of the two suspects in the Boston Marathon bombing, speaks to journalists in the lobby of her apartment building in Toronto on Friday April 19, 2013. Tamerlan Tsarnaev, a 26-year-old who had been known to the FBI as Suspect No. 1 and was seen in surveillance footage in a black baseball cap, was killed overnight, officials said. His brother, a 19-year-old college student who was dubbed Suspect No. 2 and was seen wearing a white, backward baseball cap in the images from Monday's deadly bombing at the marathon finish line, escaped.
    Maret Tsarnaeva, an aunt of the two suspects in the Boston Marathon bombing, speaks to journalists in the lobby of her apartment building in Toronto on Friday April 19, 2013.
    Chris Young,AP Photo/The Canadian Press

  • Aunt Maret Tsarnev, in Toronto, told reporters that she learned the FBI wanted images of her nephews only Friday morning. "This cannot be true," she said she felt. "If somebody wants to convince me, show me evidence." She was in disbelief the boys could be behind the bombings. "I am suspicious this was staged - this picture was staged," she said. Tsarnev described Tamerlan as a devout Muslim who prayed five times a day.
  • The suspects' mother, Zubeidat Tsarnaeva, 45, was arrested for shoplifting by Natick, Massachusetts, on June 13, 2012 after Lord & Taylor loss prevention caught her (and possibly others) on tape stealing merchandise, Natick police confirmed to CBS's Sean Herbert. She was charged with larceny of women's clothing valued at $1,624.
  • THE ATTACKS

  • 55 people wounded in Monday's marathon bombing remained hospitalized in seven hospitals, six in critical condition.

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