Thomas John Krnak

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Above: Thomas, circa 1998

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Vital Statistics at Time of Disappearance

  • Missing Since: July 2, 1998 from Helenville, Wisconsin
  • Classification: Endangered Missing
  • Age: 21 years old
  • Height and Weight: 5'4, 117 pounds
  • Distinguishing Characteristics: Caucasian male. Brown hair, brown eyes. Thomas may wear eyeglasses. His nickname is Tom. He has a scar on his right thumb. His last name is pronounced "CAR-nak."
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    Details of Disappearance

    Thomas resided with his parents, Allen F. Krnak and Donna Krnak, and his 29-year-old brother, Andrew Krnak (who legally changed his name to Derek Nicholas Anderson days after his family disappeared, and is referred to in media accounts by that name), in Helenville, Wisconsin in 1998. Photographs of Allen and Anderson are posted below this case summary. Donna, Thomas and Allen were last seen on July 2, 1998. Anderson, who was the last person known to see them, stated they were headed to the family's summer cabin in Coloma, Wisconsin when they disappeared. The family's dog, a cocker spaniel named Hunter, also went missing. Anderson reported his parents and brother as missing persons seven days after he last saw them; he said he became concerned when they failed to return from the cabin as scheduled. It was later determined that they probably never arrived there.

    On July 10, the family's black Chevrolet pickup truck was found in a forest near Reedsburg in Sauk County, Wisconsin. The truck had been wiped clean of fingerprints inside and out and there was no luggage in it, although Anderson stated his family packed their belongings before they left. There was no sign of any of the Krnaks or their dog.

    Allen's skeletal remains were found in Roy Taylor Forest in North Carolina in December 1999, but they were not identified until 2001. He had died from blunt force trauma to the head. Near Allen's body were a woman's t-shirt, a pair of men's briefs, a wedding ring later identified as Donna's and the remains of a dog, which authorities believe may have been the Krnaks' dog, although this could not be confirmed. There was no sign of Thomas or Donna at the scene.

    Anderson legally changed his name to Derek Nicholas Anderson days after his family disappeared. He had previous convictions for theft and breaking and entering, and a month after his family's disappearances he was jailed for drunken driving, driving with a revoked license, and probation violation. In July 1999 he pleaded guilty to federal loan fraud and spent time in federal prison; he had lied on an application for a student loan. He had frequently hiked at Roy Taylor Forest when he was a student at Western Carolina University from 1991 to 1996; he has a bachelor's degree in psychology and sociology and subsequently took graduate classes at the university.

    On February 1, 2001, shortly after he was released from prison and went to live in a halfway house, Anderson was charged with first-degree intentional homicide in connection with his father's death. He was originally charged in North Carolina, but the charges were dropped in that state and he was charged in Wisconsin after it was determined there was no evidence to indicate Allen was killed in North Carolina.

    On the day of his disappearance, Allen got a phone call at work and became very distressed. He left work early, saying he had a family emergency and "may have to go to a funeral." Anderson initially denied having placed the call; he later admitted that he had and said he had done so because he was fixing his parents' car and could not find a tool he needed. Anderson was unemployed and lived with his parents in 1998. He was a student at the University of Wisconsin at Whitewater and owed tens of thousands of dollars in student loans. Allen's co-workers testified that the relationship between him and his son was troubled and that Allen had said Anderson had attacked him and tried to kill him with a club. The family truck also had 2,618 miles unaccounted for, enough to travel to North Carolina and back; the distance between the Krnak home and the location of Allen's remains is approximately 1,560 miles round-trip. Anderson had no explanation for the unaccounted miles but admitted to having driven the car.

    Anderson pleaded not guilty to his father's murder and, at his 2006 trial, his lawyers argued that there was no evidence to connect him to the crime or to his mother and brother's disappearances. The prosecution theorized that Anderson murdered his family to gain access to their estate, which is worth an estimated $550,000 to $600,000. In April 2006, he was convicted of his father's murder. Anderson stated he would appeal his conviction.

    Thomas was formerly a student at the University of Wisconsin at Stevens Point. Although no one has been charged in connection with Thomas and Donna's disappearances and an extensive search of Roy Taylor Forest turned up no sign of them, authorities believe they were murdered by Anderson and their bodies are in North Carolina. Foul play is suspected in their cases due to the circumstances involved.

    Allen Anderson
    Left: Allen Krnak, circa 1998;
    Right: Derek Anderson (Andrew Krnak), circa 2001

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    Investigating Agency
    If you have any information concerning this case, please contact:
    Jefferson County Sheriff's Department
    920-674-7310

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    Source Information
    The Sylva Herald
    Wisconsin State Journal
    The Milwaukee Channel
    WKOW 27
    The Milwaukee Journal-Sentinel
    The Daily Jefferson County Union
    The State Bar of Wisconsin
    The Stevens Point Journal
    The Doe Network
    NamUs

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    Updated 3 times since October 12, 2004.

    Last updated July 15, 2011; middle name, height and weight added, distinguishing characteristics updated.

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