Butterfingers: Perp drops gun in front of NYC cops in subway

This was no criminal mastermind.Two cops patrolling a Brooklyn subway platform last week were stunned when a strapped-hanger exited a train and dropped loaded Ruger pistol right at their feet.He scooped it up and ran — and proceeded to fall down a flight of stairs.The male and female partners eventually caught up to Stanley Spencer, 39, after the 3:30 p.m. fumble on May 2 at the Pennsylvania Avenue Station.“I bet he was trying to adjust [the gun in his waistband] so they can’t see it and BOOM he drops it,” said retired NYPD detective and John Jay College adjunct professor Michael ..