Autism Service Dogs Can Keep a Child Safe and Calm, But Their Trainers Aren’t Always Allowed in Public Places

On a platform between GO Trains at Union Station, Deanna Allain gives her dog Carlin a firm tug on the collar.

The 90 pound chocolate labrador retriever looks up at her, but doesn’t budge.

Despite appearances, Carlin isn’t being stubborn or disobeying an order. Instead, he’s performing a command that could one day save a child’s life.