"The Doe Network" : International Center for Unidentified & Missing Persons'
Case File: Donna Kay Krnak - 2333DFWI

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Krnak, circa 1998

Donna Kay Krnak

  • Case Classification: Endangered Missing
  • Missing Since: July 2, 1998
  • Location Last Seen: Helenville, Jefferson County, Wisconsin

    Physical Description
    ** Listed information is from the time of disappearance.

  • Age at Time of Disappearance: 52 yrs old
  • Race: White
  • Gender: Female
  • Height at Time of Disappearance: 5'5"
  • Weight at Time of Disappearance: 150 lbs
  • Hair Color: Brown
  • Eye Color: Hazel
  • Alias(s) / Nickname(s): None

  • Distinguishing Marks/Features: Scar/mark on face

  • Dentals: Available
  • Fingerprints: Not Available
  • DNA: Initial inquiry underway
    Clothing & Personal Items
  • Clothing: Unknown

  • Jewelry: Unknown

  • Additional Personal Items: Unknown

    Circumstances of Disappearance

    Donna, Allen and Thomas Krnak were last seen heading for their cottage in northern Wisconsin on July 2, 1998 by their son Andrew. Their dark navy blue Ford 150 Truck was found in Sauk County, Wisconsin.

    A hunter found Allen Krnak's remains in North Carolina in 1999. A ring, found in the dirt nearby, has since been identified as Donna Krnak’s wedding ring. Searchers also recovered remains of a dog. The family’s cocker spaniel, Hunter, disappeared with them. Derek M. Anderson, nee Andrew Krnak, was arrested on February 1, 2001, for the murder of his father, Allen Krnak. Anderson legally changed his name shortly after the family turned up missing. He told authorities they vanished after leaving on a fishing trip to their summer cottage in Waushara County.

    Derek Anderson was found guilty of murdering his father and then driving to North Carolina to dispose of the body. No murder weapon has been found, there was no blood or DNA evidence found at the Krnak home in rural Helenville. No sign that a crime had been committed at the property on Lundt Road. Donna Krnak and Thomas Krnak have not been found.

    Investigating Agency(s)
    If you have any information about this case please contact;

  • Agency Name: Jefferson County Sheriff Office
  • Agency Contact Person: Detective Sergeant Donald Hunter
  • Agency Phone Number: 920-674-7310

  • Agency Case Number: 1998-14592
  • NamUs Case Number: MP#11251

    Please refer to this number when contacting any agency with information regarding this case.

    Information Source(s)
  • NamUs
  • Nampn
  • Channel 3000

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    Last Updated: 05.27.2014 - By: JudyR

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