Yeah, it *sounds* stupid, but a buddy of mine is an engineer for NJ Transit who was working the Atlantic City Line late at night (approx 1:30) last summer. Headed toward Atlantic City, he noticed a flash and some movement in the meadowlands/swamps near the city. When he looked again, he saw someone coming out of the swamp, fully kitted out in scuba gear. He called it in to the dispatchers who contacted the police. Turns out the guy was an Iraqi national "checking out" the main water supply feeds into Atlantic City. The ONLY thing that printed in the papers in the following days was that a trespasser had been arrested late at night on NJ Transit property.