Christopher Vaughn leaves the Will County Courthouse in June. | Matt Marton~Sun-Times Media
The Vaughn family, (upper left to right): Christopher, Kimberly, Abigayle, and (bottom from left) Cassandra and Blake are shown in an undated photo in front of Rosemont Theater in the Chicago area, where the Phoenix University graduation was held.
Handout photo of the Vaughn family. Left to right, Blake Vaughn, 8, Christopher Vaughn, 32, Cassandra Vaughn, 11, Kimberly Vaughn 34, and Abigayle Vaughn, 12. Kimberly Vaughn and the three children were found shot to death in the family SUV on June 14th, 2007.
Christopher Vaughn, 36, of Oswego, is accused of killing his wife and three children in June 2007.
An Illinois State Police officer escorts Christopher Vaughn into the Will County Jail on July 3, 2007.