A good Samaritan was stabbed Tuesday morning as he tried to detain a convicted felon who was breaking into cars outside McDonalds.The knife-wielding felon, Devon Ray Kirby, 25, has been charged with aggravated assault and multiple counts of auto burglary and theft. The victim refused treatment at the scene for a laceration to his arm inflicted by a large, folding-blade knife.According to McMinnville police detective Todd Rowland, the incident happened shortly after 9 a.m. when Kirby was seen breaking into vehicles in the parking lot of McDonalds and stealing items. One of the victims saw what was going on and confronted him.