I am hoping to find out any information i can on my father who passed away in 1989. I know he was a NYPD patrolman and later became a detective. I think he was in brooklyn's 81st & 90th precincts...he retired unexpectingly in 1969 with almost 20 years on the force. I believe his partner at one time was john o'shea and his captain was named cashman...any info about my father would be greatly appreciated