Confidential Nassau County police documents — including info on undercover cops — used as confetti in Macy’s parade

Warzer JaffSome of the shredded documents tossed as confetti during the Thanksgiving Day parade. Red-faced Nassau County officials are investigating how confidential police documents — which contained arrest records, social security numbers, and information about undercover officers — was tossed from windows as confetti during Thursday’s Macy’s Thanksgiving Day Parade…