Pennsylvania State Police release new details on fallen Trooper, ID dead gunman

CHESTER COUNTY, Pa. (WHTM) -- The Pennsylvania State Police are honoring the Trooper who was killed in the line of duty Sunday during a traffic stop in Chester County. Corporal Timothy O'Connor Jr. enlisted in the Pennsylvania State Police in September 2010 as a member of the 131st cadet class and was assigned to Troop [...]