Police in suburban Philadelphia report a man saw a purse snatching and chased the woman who stole the handbag.
The man caught up with the female suspect, knocked her to the ground and took back the stolen handbag.
A couple saw the confrontation and thought they were witnessing a domestic dispute.
The Bucks County Courier Times reports the second set of good Samaritans offered the suspected woman a ride.
Police say the woman was dropped off about a quarter-mile away.
Officers are still looking for her.