Investigators looking for the cause of a deadly explosion that leveled part of a Pennsylvania chocolate factory are facing an even more difficult task as they comb through wreckage that was picked apart and moved around during the weekend search for victims and survivors.
Investigators looking for the cause of a deadly explosion that leveled part of a Pennsylvania chocolate factory are facing an even more difficult task as they comb through wreckage that was picked apart and moved around during the weekend search for victims and survivors.