Died in prison
Amberg
Amberg was one of three men held at Sing Sing prison in New York who tried to break out on November 3, 1926. According to a New Britain Herald report published the next day, after the escape failed he shot himself, having first waved to crowds gathered outside the prison. The death was reported as a self-inflicted gunshot wound. The newspaper account was taken from OCR-scanned text and has not been confirmed by other sources.
Cause of death, as reported: Died by suicide
Reported by: newspaper account (OCR text of a 1926 page) (reporters).