Top rated conservative pundit and 12-year Secret Service veteran Dan Bongino is reporting that a “small explosion” caused confusion during the July 13 assassination attempt on former President Donald Trump.

The Secret Service veteran began by pointing out that a piece of farming equipment was hit by a bullet during the incident, causing hydraulic fluid to spray out partially onto the presidential motorcade. Footage from the scene shows the moment the farm equipment was struck.

It is unclear whether the equipment was struck by a bullet fired by would-be Trump assassin Thomas Matthew Crooks, who was neutralized by a Secret Service counter sniper in what has been described as a “one-in-a-million’ shot.

Previous reports have confirmed that three weapons were fired during the assassination attempt. In addition to shots from Crooks and a Secret Service counter sniper unit, an additional shot was fired by a state law enforcement sniper team, which missed the gunman.

Bongino previously reported that the sniper who took down Crooks was not the sniper who has been seen in videos shared around the world. The sniper who took the shot was located roughly 400 yards behind.

On Tuesday — citing a trusted source in the Secret Service — Bongino reported that a “small explosion” took place during the shooting. “Now to be clear, there’s some confusion about what it was. Was there some fireworks at the scene? Was there something the assassin had brought with them that the hydraulic fluid, or something one of the shots had set off? Did he set it off? But the explosion is what led to the confusion about where they should go and where they still under attack,” the Secret Service veteran revealed.

“Combined with the fact that the hydraulic fluid had coated some of the motorcade vehicles, they had a little bit of an issue getting out of there. These are relevant facts.”

“Apparently what happened after that is hydraulic fluid from that specific vehicle, given that the line was penetrated, covered a couple of vehicles and the motorcade, causing a little bit of initial chaos,” Bongino reported.