What would you do?(EXERCISING THE RIGHT)

On June 28, 50-year-old Brian Fentimen stopped to render aid to people involved in a rear-end collision, only to experience "a defining moment" in his life: he shot and killed a man.

Fentimen and his fiancee, Maria, had just ended a day spent showing properties to real estate investors and were driving to Hanover, Pennsylvania, to visit his mother when they came upon a two-car accident. The accident had been caused by a man named Douglas Need, who had been driving recklessly when he swerved in front of a car and was hit in the rear, Fentimen told the York Daily Record.

Though the accident was Need's fault, Need got out of his car, charged the vehicle that had hit him, and began viciously beating the woman at the wheel. The woman eluded the man in the only way that was open to her: she drove into the parking lot that was next to the road. Need got into his car and pursued the woman until he maneuvered his car in front of hers, cutting off her getaway.

Fentimen also followed, and when the pursuit ended, he got out of his car and yelled to Need and his passenger to leave the woman alone. The woman used the moment to flee into a store and escape. This seemed to enrage both Need and his passenger, and they screamed that they had guns and were going to kill people. When Need began beating on Fentimen's car window and berating his fiancee, Fentimen drew ...