Joanne Gaye Illerich

Above: Illerich, circa 1999


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 a scar between her eyes and facial freckles.
  • Clothing/Jewelry Description: A polo shirt, gray or washed-blue Docker's pants, black sneakers 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.
  • Bar

    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.

    Above: Illerich's truck


    Investigating Agency
    If you have any information concerning this case, please contact:
    Sutter County Sheriff's Department
    Extension 240


    Source Information
    Sutter County Sheriff's Department
    California Attorney General's Office


    Updated 1 time since October 12, 2004.

    Last updated May 31, 2008; medical conditions updated.

    Charley Project Home