I think the one they’re talking about the one SW of Houston in Sweeny, TX. That cell has been here since the 1980s on 125 acres. Here have been problems with the members but since the State Dept. hasn’t declared it a terrorist organization.
https://clarionproject.org/exclusive-clarion-project-discovers-texas-terror-enclave/
IMHO, “All should be ELEMINATD with EXTREME PREDUJUCE, immediately.”