FBI claimed Dzhokhar Tsarnaev was "Apprehended 'covered in blood and hiding in a covered boat in Watertown by homeowner who ventured out after curfew was lifted”.
Since the wounds came from shots fired by a gun and a knife cut, it was assumed that Dzhokhar was armed. Continuously the FBI claimed that "Dzhokhar Tsarnaev, the Boston Marathon bombings suspect captured alive Friday, may have tried to commit suicide before he was apprehended(…)”