Patty Vaughn was last seen Wednesday, December 25th, 1996 (Christmas Day) between the hours of 6:30 PM and 9:00 PM by her estranged husband Jerry Ray Vaughn at their residence at 152 Oak Park Road in Wilson County, Texas. The day after she disappeared, he filed for divorce. On December 26th, 1996, a relative of Patty Vaughn reported her missing to the Bexar County Sheriff's Office. On December 27th, 1996, Patty Vaughn's blue colored Dodge van was found abandoned on Loop 1604 in South Bexar County, approximately 5 miles from Patty's employer and 15 miles from her home. Investigators searched her residence and vehicle and discovered blood inside the van, on the walls and floor of Patty's bedroom and on a mop inside the house. Someone had attempted to clean the blood from the premises prior to discovery. DNA testing proved that the blood was Patty's. She has never been located and no arrests have been made in connection with her case.