Key Facts

• Cole Allen, 31, is the suspect who attempted to breach security at the White House Correspondents' Association dinner.
• The event took place at the Washington Hilton hotel and included many political and media figures.
• Prosecutors released a five-minute surveillance video showing Allen walking around the hotel the day before and running through the security checkpoint with a shotgun.
• The video captures the moment Allen shot a Secret Service agent wearing a bulletproof vest, disproving claims the injury was from friendly fire.
• The footage raises questions about some security personnel's actions and an unidentified person seen in the room where Allen hid his shotgun.
• A K-9 security dog appeared to notice Allen before he ran toward the checkpoint.
• Three security staff members were seen not responding immediately to the incident in the video.
• The Secret Service is under scrutiny for its protection efforts following this third attempt on President Trump’s life in two years.