From 1080 KRLD (some text deleted, see original article):
String of auto thefts being carried out by people driving unmarked tow trucksQuotePolice in several cities throughout North Texas are investigating a string of auto thefts. (...) The cars are being stolen by a pair of tow trucks.
(...)
"Most (legitimate tow trucks) will have a TLR number on the side, which means they're registered with the state, and they'll also have a name on the side of it," says Harrell. "Usually they have a (phone) number printed on the side of them also."
FULL ARTICLE HERE (https://www.audacy.com/krld/news/local/string-of-auto-thefts-being-carried-out-by-tow-trucks)