Plastic-bag ban causes more shoplifting?

When the Seattle City council banned plastic grocery bags and required stores to charge for paper bags the world became a better place. What could possibly go wrong?

When you tell shoppers to bring their own bags they walk around the store carrying a place to hide things. Grocery Outlet in Lake City has suffered greatly increased shoplifting. Starting with the plastic-bag ban. ADDED: Did the ban cause the increase? We don't know yet. This store says the timing fits and has a believable scenario.

Seattle PI