Return To Sender: Threat Mail Had Return Address

"Catch me if you can." Those were the parting words of a taunting missive containing a white power sent to a police station earlier this week.

Police had no trouble finding their suspect: He signed the letter and included his return address on the envelope.

Abdullah Date, 18, was charged with sending the threatening letter to the 73rd Precinct in Brooklyn's East New York section, and ordered held without bail, according to a criminal complaint unsealed Thursday in Brooklyn federal court. The white powder turned out to be harmless.