NY blue-on-blue came after retired cop yelled 'Gun!'
A retired cop with no business at the scene yelled, "Gun," an official said
By Selim Algar and Leonard Greene
NEW YORK — The friendly-fire shooting that cost a Long Island cop his life was a point-blank blunder that started when a retired cop with no business at the scene yelled, "Gun," an official said yesterday.
Geoffrey Breitkopf, 40, was shot and killed Saturday by an MTA cop responding to a call at a Massapequa Park house where Nassau police had killed a knife-wielding Satan worshipper.
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