An 88-year-old retired NYPD cop living out his golden years in Ireland was busted in a dragnet worthy of a Hollywood movie — for keeping an old, decommissioned revolver in his home. The daring morning police raid was the largest in recent memory in the tiny village of Swanlinbar, County Cavan, population 200, when up to 10 armed officers in six vehicles descended on the picture-postcard hamlet.