A body cavity bomb is only known to have been used once, in a failed assassination attempt.Ī hypothetical further elaboration of the concept in the form of a surgically implanted explosive device has been the subject of speculation, but no such device has ever been found in real life.Ģ009 attack on Prince Muhammad bin Nayef While this concept has been used many times in fiction, it is almost unknown in real life. A body cavity bomb (BCB) is an explosive device hidden inside the body of a person in order to commit a suicide attack.