Andrew Grennan served in the U.S. Army.
Patrolman Andrew Grennan drowned while on a guard post on Pier 4 in Wallabout Basin. He was protecting a load of 200 half-barrels of beer that had been seized in a raid several days earlier. He was walking around the Baltimore & Ohio Railroad float that was tied up to the pier when he stumbled, struck his head, and fell into the water. Patrolman Grennan was a United States Army veteran and was assigned to the 46th Precinct.
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In tribute
I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Patrolman Grennan served with the New York City Police Department.
Thank you for your service to the New York community, and for your service before it. Gone but never to be forgotten.
Rest easy, brother.
— S. Vincent Anthony, U.S. Army 1985-1993
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