Detainees at the Bluebonnet immigrant detention center in the small city of Anson, Texas, sent the outside world a message this week: S-O-S.

Thirty-one inmates at the Texas Bluebonnet Prison created an SOS sign when a Reuters agency drone flew over the yard. The prisoners, primarily Venezuelans, fear deportation and claim they are wrongly accused of being members of the Tren de Aragua gang.