Legion can control all exes within 3 miles

The ex’s grin faded. “Don’t you tell me what I can’t do. If I wanted, every dead thing for three miles would pick up a rock and beat their own skulls in. Or anyone else’s.” He glared at me with his dusty, scratched eyes.

Excerpt From Ex-Patriots, pg 423
Peter Clines
https://books.apple.com/us/book/ex-patriots/id585738393