OKLAHOMA CITY (AP) — The Oklahoma Department of Human Services is investigating possible food-stamp fraud at two unregulated addiction recovery centers.

The department's investigation focuses on Fort Gibson's Faith Based Therapeutic Community Corporation and the Ada-based Southern Oklahoma Addiction Recovery program, The Oklahoman reported. The probe began after program graduates and other participants alleged they were forced to sign up for food stamps but didn't receive the benefits.

Participants of the FBTCC said they were fed expired food donations and restaurant leftovers. SOAR participan...