( CNN ) -- Alleged Boston bomber Dzhokhar Tsarnaev was semi-conscious , wrapped in field gauze and `` covered in blood '' when he arrived late Friday at Beth Israel Hospital in Boston , according to a detailed first-hand account from a senior employee at the hospital . The source said Tsarnaev appeared to have lost a great deal of blood and was making no sound until he reached the Red Zone Trauma Area , where he began to moan in considerable pain . He did n't seem to utter any words , the source said . Approximately 8-10 medical staff were working on him and there were at least two thoracic surgeons present as well as other surgeons . His condition was stabilized very quickly , said the source . The FBI was inside the trauma room during the stabilization and several other law enforcement agencies were outside the room , including the FBI , Boston police and Beth Israel police , according to the source . Reconstructing the trail of his deleted Instagram account . Other patients were also in the trauma area , separated by curtains , but there were no bombing victims there , the source said . Tsarnaev was taken to X-ray , had a CT scan and was then taken to the operating room . FBI agents stayed nearby during surgery , the source said . Within a matter of hours he was moved to an ICU unit on the upper floors of the hospital . There were no other patients in that secure unit for the duration of the time that he was there and Tsarnaev recovered very quickly , the source said . `` He was in much better shape than most people thought , '' the source said , but had serious wounds to his throat and leg . He has since been transferred with the help of U.S . Marshals to Federal Medical Center , Devens -- a federal prison specializing in long-term medical care , about 40 miles west of Boston . At Devens , he is locked inside a 10-by-10-foot cell with a steel door , a slot for food and an observation window , a prison spokesman said Sunday . Tsarnaev is now able to speak and has been interacting with medical staff , spokesman John Colautti said . After disasters , hospitals pay it forward .
Source : Dzhokhar Tsarnaev arrived at hospital semi-conscious and 'covered in blood ' He did n't seem to utter any words , the source says . Source : Boston Globe Comment