Eubanks was injured during the 1999 school shooting, and watched his best friend die beside him.
Hayley Lamez, 15, was last heard from on February 24, 2019. She was believed to have been in Redding, California at that time.
The agent's text messages speak to his state of mind and “intent on committing this civil rights crime," prosecutors say.
The boy, who was apprehended after crossing the border May 13 near Hidalgo, Texas, was found unresponsive Monday morning during a welfare check.
Westboro Baptist Church protested outside of all-men's college Morehouse and all-women's school Spelman over their policies of accepting trans students.