A reserve U.S. Army Special Forces master sergeant was staying at a campground in Mineral Wells earlier this month when he sent a text message to a former military teammate, federal law enforcement authorities allege.
“I don’t care you are FBI. I am going to cut your head off,” Bill Grannell wrote to the former colleague, who now works as an FBI special agent in Newark, N.J., according to another special agent who investigated the message. Grannell implied that he would put the body part on a fence post.
Grannell, who is 45, was diagnosed with schizophrenia earlier this year. In connection with the beheading threat, he was arrested on suspicion of making an interstate threatening communication. Magistrate Hal Ray at a hearing on Monday granted a Dallas-Fort Worth U.S. Attorney’s Office motion to detain Grannell at a jail…