A fire engine.
"Arson is an extremely violent crime that not only destroys property but also places firefighters, first responders and the general public at great risk," an ATF official said.
  • Fires at two Walmarts in December and a Target on Monday are being investigated as arson.
  • Officials tell local media the blazes appear to have been used as diversions for shoplifting.
  • Similar incidents have occurred around the US, including a Home Depot fire that was detected from space.

Retail thieves appear to be using ever more brazen methods to steal merchandise.