An interrogation unit set up to question terror suspects in Guantanamo Bay is waiting to interview the surviving Boston Marathon bombing suspect.
It's reported the surviving suspect has begun responding to questions in writing as he recovers from gunshot wounds after a shootout with police.
it's reported 19 year old Dzhokhar Tsarnaev has been sporadically communicating with officials at the hospital in Boston where he remains in a serious condition.
He had been on the run and was found hiding in a boat stored in a suburban backgarden in Watertown, near Boston on Friday night local time.
A homeowner from the neighbourhood tipped off the police after spotting blood near the boat.
Meanwhile, the Massachusetts' chief medical examiner says he is still trying to figure out what killed the other suspect, 26-year-old Tamerlan Tsarnaev.
It's speculated he may have been run over by his 19-year-old brother as he escaped.
Boston Police Commissioner Ed Davis says the area was littered with unexploded improvised devices:
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