 Federal investigators trying to figure out why a would-be assassin attempted to take the life of former President Trump at a Pennsylvania rally. Secret Service spokesperson confirms the agency relied on local police at the Trump rally in Butler, Pennsylvania to fill out parts of specialized units. Former Wake County Sheriff Donnie Harrison. They know we know what we're doing here. We know the buildings. We know the places. We know the area. And they tried to assign us those type things. But