i imagine this is sufficient to inform all that the shooter had some influence if not help from 'unknown' sources;

Who visited Thomas Crooks’ home before he attempted to assassinate President Trump?

Mobile ad data analysis reveals someone who regularly visited Crooks’ Pennsylvania home also visited a building in DC near an FBI office.

The Oversight Project identified nine devices linked to AD-IDs that were located at Crooks’ home and work within the last year.

Per the Heritage Foundation’s Oversight Project: “We found the assassin’s connections through our in-depth analysis of mobile ad data to track movements of Crooks and his associates”

“To do this, we tracked devices that regularly visited both Crooks’s home and place of work and followed them,” the Oversight Project said...........more.......