WHITEFISH, Mont. -

Whitefish Police arrested a couple accused of beating a man in Great Falls and taking his car. Officers found Sidney Aimsback and Matthew Lamb driving in Whitefish, and performed a traffic stop.

They say Lamb jumped out of the car, and took off his clothes before they tazed him. Both have been charged with robbery and theft for the Great Falls incident, while Lamb also faces charges of resisting arrest and obstructing justice for the Whitefish incident.