Craig Robertson, a Utah man who had threatened President Joe Biden’s life, was shot and killed during an FBI raid on Wednesday.

The raid was made as part of the investigation into alleged threats against Biden and others, two officials briefed on the case told ABC News. It was further reported that investigation into the threats began in April. The Secret Service was notified by the FBI about the same in June.

The shooting took place around 6:15 am. local time in Provo as special agents attempted to serve arrest and search warrants at the suspected man’s residence.

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“The FBI takes all shooting incidents involving our agents or task force members seriously,” the FBI said in a statement. “In accordance with FBI policy, the shooting incident is under review by the FBI’s Inspection Division. As this is an ongoing matter, we have no further details to provide.”

Biden has been briefed about the incident Wednesday morning, a White House official told ABC News.

Who was Craig Robertson?

Craig Robertson had allegedly posted threatening threatening messages, the official said. As the investigation progressed, it was being suggested that Robertson was making plans to take physical action. The threats had been deemed “credible,” the official said.

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At the time of his death, Robertson was facing three counts of criminal charges including interstate threats, threats against the president, and influencing, impeding and retaliating against federal law enforcement officers by threat, according to a federal complaint reviewed by ABC News.

The complaint also listed a number of social media posts believed to have been made by Robertson. He threatened to kill Biden and Vice President Kamala Harris, as well as several officials who were involved in prosecuting former President Donald Trump.