The Hamburglar isn't the only criminal frequenting fast food restaurants in New Jersey.

Authorities say a pair of armed robbers is behind several hold-ups in Morris and Bergen counties. The spree started Sunday at a McDonald's in Ramsey. The duo has since hit a South Hackensack Burger King, a Paramus Dunkin Donuts and a Morris County donut shop.

In each incident, the suspects come in and place an order before pulling out a gun and demanding money.

The Morris County Prosecutor's Office calls the robberies brazen. Authorities are using footage captured by a surveillance camera of the Dunkin Donuts stick-up in their investigation.