SaraACarter's Annaliese Levy reports that, according to the report, Ahmad Al Aliwi Alissa, a 21-year-old from the Denver suburb of Arvada, was previously known to the FBI because he was linked to another individual under investigation by the bureau, according to law enforcement officials.
In 2018, Alissa was convicted of a misdemeanor assault against another student at Arvada West High School. Fellow classmates recall him as having a "fierce temper" that would flare in response to setbacks or slights, The Times report said.
Alissa's brother described him as "mentally ill, paranoid and antisocial," to the Daily Beast.
The gunman in Boulder who killed 10 people at a supermarket would routinely threaten his classmates with threats of filing fake hate crime charges after violently attacking them, eyewitnesses told the media.