New details after teen accused of planning attack on Texas school [Video]

The 17-year-old was arrested recently after the FBI and Austin police were alerted to “concerning” messages sent by an Instagram user.

The affidavit states that the teen drew a map of the elementary school to help plan their attack. The teen also allegedly said they were going to kill their parents and little brother before the attack.

During an interview with authorities, the teen allegedly admitted to sending the messages on their Instagram account and planning the attack with their friend. They also showed authorities a journal on their phone.

“I’ve always had a sort of hatred for humanity … I have such a hatred for people, everyone, every race, every gender, everything,” the journal read. “I barely care about my own life, what makes you think I’ll spare any of you?”

Messages on a different social media platform also showed texts about how …