Trooper Charles Kopf New Jersey State Police September 27, 1948 State Trooper Charles Kopf, 23, was en route to a traffic accident scene when he was killed after his troop car collided with a truck on Route 25 in Yardville, NJ on a Monday. A resident of Egg Harbor City and a World War II veteran, Trooper Kopf was survived by his wife, Jane. Close Window