APEX, N.C. (AP) — All the counseling, therapy and medication did little to ease 9-year-old Sobie Cummings' crippling anxiety and feelings of isolation. And so a psychiatrist suggested that a service dog might help the autistic child connect with other kids.

To Glenn and Rachel Cummings, Mark Mathis seemed like a dream come true. His kennel, Ry-Con Service Dogs, was just a couple of hours away, and he, too, had a child with autism. But what clinched the decision were Mathis' credentials.

"Is Ry-Con a certified program? Yes," stated an online brochure. "In 2013, Mark was certified as a NC state...