Police are questioning how a strange object got on a Delta Airlines flight that arrived at Newark Liberty International Airport from Minnesota. Authorities told The Star-Ledger of Newark the object was wedged between seats 21B and 21C. No one had been assigned the seats. The object had the body of a clear pen, with an electrical button trigger and a nail and alligator clip protruding from it. A battery was held by electrical tape, and next to it was a flashlight top.