Islip Police Department Police Officer John J. DeRoo Islip Police Department, NY EOW: Thursday, December 4, 1947 Cause: Automobile crash Total Line of Duty Deaths: 1 Automobile crash 1 By Month December 1 By Gender Male 1 Female 0 Successor Agency Suffolk County Police Department Yaphank, NY 27 Fallen Officers 1 Fallen K9
Police Officer John J. DeRoo Islip Police Department, NY EOW: Thursday, December 4, 1947 Cause: Automobile crash