When Michelle Murdoch-Gibson arrived at the Rowan Tree Collective in Thunder Bay, Ont., on Monday, she discovered a brown patch of grass and a severed cable in the yard.

Then, she realized that was where the organization's barbecue used to be.

"Obviously during the time we were off, someone came and snipped the cable that was securing our barbecue and took it away," she said. "It was on wheels, so I guess that made it easier."

The non-profit, which supports adults with autism and other neurodivers…