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Theresa resided with her husband, Richard Murphy, and her two children in Rainier, Oregon in 1999. The family lived in the 72000 block of Hutchison Road. They relocated from Puyallup, Washington in July 1999 to be closer to Richard's relatives. Richard and Theresa had been married since 1998. A photo of Richard is posted below this case summary.
Theresa dropped her daughter off at a friend's home for a sleepover on October 7, 1999. Richard told authorities that his wife returned to their hime afterwards. He departed on a camping trip to Browns Creek in the Olympic National Forest in Mason County, Washington later in the evening. He told investigators that Theresa had disappeared by the time he returned home the following day. Her sister-in-law reported her missing on October 23, more than two weeks after her disappearance. The reasons for the delay of the report are unknown.
All of Theresa's personal belongings were inside the house. Her pickup truck was parked near the residence with the keys in the ignition. Theresa has never been heard from again. Her sister-in-law reported her as a missing person on October 23, 16 days after she vanished.
Richard also reported that the family's 1991 Colt 1911 A-1 .45 caliber semiautomatic handgun with serial number 2757178 was missing from their home after his wife disappeared. The weapon has never been located. Her two teenage daughters were placed in their father's custody and moved out of her home with Richard later in 1999. They now live in Klamath Falls, Oregon.
In August 2001, nearly two years after her disappearance, authorities announced that they believe Theresa is deceased. Her case opened 2018 by Psychic Brian Ladd.
Oregon State Police