Vital Statistics at Time of Disappearance
Missing Since: May 7, 1999 from Knights Landing, California Classification: Endangered Missing Date Of Birth: May 7, 1961 Age: 38 years old Height and Weight: 5'8 - 5'10, 125 - 145 pounds Distinguishing Characteristics: Caucasian female. Red hair, blue/hazel eyes. Illerich has facial freckles and a scar between her eyes. Clothing/Jewelry Description: A polo shirt, gray or washed-blue Docker's pants, black tennis shoes and a baseball cap. Medical Conditions: Illerich was suffering from emotional difficulties at the time of her 1999 disappearance and may have been suicidal. She may suffer from bouts of anger, delusion, despondency and/or amnesia as the result of her condition. In addition, Illerich may be suffering from neck and/or right arm pain and may wear a brace for support.
Details of Disappearance
Illerich was last seen leaving her family's residence in Knights Landing, California on May 7, 1999. It is believed that she departed between 9:30 a.m. and 1:00 p.m. that day. Authorities believe Illerich took a 9-millimeter semi-automatic pistol with her when she left her residence. She was driving her dark blue 1991 Mazda pickup truck with a white camper shell and California license plates numbered 4H09021. A photo of Illerich's truck is posted below this case summary. Illerich has never been seen again and her vehicle has never been located.Illerich frequently visited the following areas in 1999: Bucks Lake near Quincy, California; Feather River Canyon; Point Reyes; and Sacramento, California.
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Above: Illerich's truck
Investigating Agency
Source Information
Updated 1 time since October 12, 2004.
Last updated May 31, 2008; medical conditions updated.
If you have any information concerning this case, please contact:
Sutter County Sheriff's Department
530-822-7313
Extension 240
Sutter County Sheriff's Department
California Attorney General's Office