That may be slightly overstated, but use of lethal force to protect one's property is legal in Texas. Very recently somebody in Texas did kill somebody for stealing their truck, using airtags to find to track them down. Legally speaking, somebody showing up at your door with a gun to recover their phone may not be okay. Realistically, the law doesn't act until you're dead.
https://globalnews.ca/news/9590520/truck-thief-airtag-shot-d...