Comperatore, a devout Christian who adored his family and two Dobermans, died while shielding his wife and daughters from bullets fired by would-be assassin Thomas Matthew Crooks, 20, who had been perched atop the rooftop of a building adjacent to the rally stage last July 13.

Roughly 1,000 people participated in "Corey's Cruise," a 49-mile-long motorcycle ride, while a parade was held in Saxonberg in Corey's honor.

There were mistakes made, and that shouldn’t have happened,’ the president says of the Secret Service’s failure to stop the shooter at his