Most shocking was that on the scraps of paper were pieces of sensitive information , including the names , dates of birth , Social Security numbers , banking data , and other personal information about Nassau county police officers and detectives , some of whom are believed to be undercover , according to CNN affiliate WPIX , whom Finkelstein contacted along with the police after finding the pieces of sensitive material on Thursday . Shredded paper with a Social Security number catches a parade - watcher 's eye . The shredded documents are from the Nassau County Police Department . Macy 's says it uses only ` ` commercially manufactured multi - colored confetti '' Some people make their own , the man says .
Shredded paper with a Social Security number catches a parade - watcher 's eye . The shredded documents are from the Nassau County Police Department . Macy 's says it uses only ` ` commercially manufactured multi - colored confetti '' Some people make their own , the man says .