Earlier reports of at least 51 deaths were erroneous, said Amy Elliot, chief administrative officer for the Oklahoma Office of the Chief Medical Examiner.

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The body of Tamerlan Tsarnaev was picked up around 5:30 Thursday from the Massachusetts Office of the Chief Medical Examiner, according to a spokesman for the state's Executive Office of Public Safety.

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"The office of the chief medical examiner will do an in-depth examination of the site to see if there are, in fact, human remains there, " Kelly said.

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The museum worked with the New York Office of the Chief Medical Examiner to process the note.

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Staff from the Office of the Chief Medical Examiner will start sifting through soil for human remains on Tuesday, police said.

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Office of the Chief Medical Examiner, deaths caused by accidental overdoses on prescription drugs increased from 588 statewide in 2006 to 735 statewide in 2010.

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The revelation comes the same day the body of Tamerlan Tsarnaev was claimed by his family and later was picked up by a funeral home, according to Terrel Harris, spokesman for the Massachusetts office of the chief medical examiner.

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Dr. Robert Shaler, chief of forensic biologist in the New York City medical examiner's office, told The Associated Press that most victims examined died from "blunt trauma, " and others from burns, smoke inhalation and injuries from sharp debris.

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Irrgang of Florida's District 9 Medical Examiner's Office in Orlando, with oversight from Chief Medical Examiner Jan C.

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