An FBI report says of Berman during this era, "Inasmuch as he had tasted confinement for a considerable length of time, he is a most dangerous type of law violator, due to the great price he is willing to pay in order to avoid another state of confinement. Has a great ability to control of his emotions and where prior to being sent away to Sing Sing Prison for a lengthy term he was considered tough, subsequent to his release he is considered vicious. Has a short choppy type of speech, was not too well educated but disguised this fact with little conversation."