NEW BEDFORD, MA - Investigators are searching a New Bedford, Massachusetts, landfill for Boston Marathon bombing suspect Dzhokhar Tsarnaev's laptop and other clues into the April 15 attack, a law enforcement official with knowledge of the investigation told CNN's Susan Candiotti on Friday.
The source said Tsarnaev himself, as well as clues from other sources, led them to the dump near the University of Massachusetts-Dartmouth, where Tsarnaev attended classes.
Tsarnaev has not given investigators any substantive information since officials informed him of his constitutional rights prior to charging him with use of and conspiracy to use a weapon of mass destruction, the source said Friday.
But the the source described the earlier bedside questioning as "very thorough" and said investigators do not feel hamstrung.
Meanwhile, Tsarnaev has been moved from a Boston medical center to a federal Bureau of Prisons hospital about 40 miles away.
Dzhokhar Tsarnaev had been receiving treatment for a variety of wounds at Beth Israel Deaconess Medical Center since his capture nearly a week ago.
He is now at Federal Medical Center Devens, U.S. Marshals Service spokesman Drew Wade said Friday.
The prison hospital, located on the grounds of the former Fort Devens military base, is designed to house prisoners requiring ongoing medical care, according to the facility's website.
Tsarnaev, 19, was captured April 19 after a nearly 24-hour manhunt. According to the criminal complaint accusing him in the bombing, he had what appeared to be gunshot wounds to his head, neck, legs and hand. His brother, Tamerlan, died after a gun battle with police last week.
Authorities say the Tsarnaevs were responsible for twin blasts on April 15 that killed three people and injured more than 260, 14 of whom had limbs amputated.
Some of the wounded were treated at Beth Israel Deaconess, and were upset that the suspect in the bombing also was being treated there, a doctor with colleagues at the hospital told CNN's Elizabeth Cohen. Some felt anxiety and fear knowing the suspect in the bombing was in the building, the doctor said.
As of Thursday evening, 34 of the wounded were still being treated at Boston hospitals, including one patient in critical condition.
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