By Faris TanyosAn off-duty NYPD police officer trying to buy a car was shot and critically wounded Saturday night in Brooklyn during an attempted robbery, officials said. local time after the off-duty officer arrived at a prearranged meeting spot to look at a vehicle, NYPD Assistant Chief Michael Baldassano said in a Friday night news conference. "An officer conducting a simple errand, and a dangerous person pulled out a firearm, as we so often see in this city," Adams said