According to reports, Thomas Matthew Crooks was labeled a “school shooter” by his peers years before his assassination attempt on Donald Trump, according to a former classmate. He was teased for his hygiene, body odor, and choice of clothing, making him an easy target for bullies. After failing to join the rifle club due to poor aim, he switched from wide-legged pants and “SpongeBob SquarePants” shirts to camouflage clothing.

KEY FACTS
The FBI identified the 20-year-old Crooks as the suspected Trump rally shooter in the early hours of Sunday morning, and said the attack is being investigated as a case of possible domestic terrorism.

Crooks was shot and killed by Secret Service after firing shots at the Trump campaign event from a nearby building outside the rally and an AR-style rifle was recovered at the scene—which the FBI says was purchased legally.

Crooks was found by a law enforcement officer on the roof of a nearby building moments before shooting at Trump and pointed his rifle at the officer, the Associated Press reported, citing an anonymous source, who retreated from the roof moments before Crooks fired on Trump and was then shot by the Secret Service.

Law enforcement officials said they identified Crooks after his death using his DNA and biometric information.

Crooks was not on the FBI’s radar before this incident.