Man arrested after going over 100 mph, kills 3 including his daughter in Peachtree Corners crash Police said Aaron Vaughn was arrested on Friday around 3:06 p.m. and taken to the Gwinnett County Jail.

This is absolutely one of the most enormous failures," Karen Vaughn said. Vaughn's son, Aaron Vaughn, was killed in Afghanistan in 2011. "He believed in the mission. Absolutely," Vaughn said.

Police say that Aaron Vaughn, 30, was going more than 100 miles per hour when the Chevrolet Camaro he was driving crashed into a BMW on Elmside Village Lane earlier this month.