The FBI said on Monday that it received a tip about the Evergreen High School shooter’s social media account two months before he shot two students and then himself in the Denver area school.
An FBI spokesperson said the bureau opened an “assessment” into the social media account, which posted “non-specific” threats of a mass shooting but didn’t know the account-holder’s identity.
The shooter, identified by the Jefferson County Sheriff’s Office as 16-year-old Desmond Holly, died of a self-inflicted gunshot wound, according to the sheriff’s office. The FBI says it didn’t know the identity of the account holder and, as a result, there was no probable cause for anyone’s arrest…