Cold case development: Detectives arrest man for the 1990 homicide of Berit Beck

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Family Of Murder Victim 'Encouraged' By Arrested In Decades-Old Cold Case

(WITI) -- Detectives from the Fond du Lac County Sheriff's Office in Wisconsin arrested Dennis Brantner for the 1990 homicide of Berit Beck this week.

Brantner, 61, was taken into custody on Friday morning on an arrest warrant for first degree murder -- a year after he was named a suspect in the case.

Beck was 18 years old when she disappeared while traveling from Sturtevant to Appleton. Her body was found in a ditch in Fond du Lac County.

For decades a family experienced unthinkable pain as police continued to search for her killer.

In April of 2014, a lead in the case.

The Fond du Lac County Sheriff's Office announced new evidence revealing Brantner was in the van Beck was driving when she disappeared.

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Cold case development: Detectives arrest man for the 1990 homicide of Berit Beck
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck this week.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck this week.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck this week.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck this week.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck this week.
Fond du Lac County Sheriff’s Office detectives arrested Dennis Brantner for the 1990 homicide of Berit Beck.
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Authorities say Brantner's co-worker told authorities the 61-year-old had a photo of Beck in his workspace.

Brantner was in court on Friday for an unrelated charge of felon in possession of a firearm.

FOX6 News is expected to learn more about today's arrest at a news conference on Monday, March 30th, at 11:00 a.m. in the Sheriff's Office conference room, located at 180 S. Macy St. in Fond du Lac.

The Kenosha Police Department and Kenosha County Sheriff's Office assisted with the arrest.

Berit Beck's family has been notified of Brantner's arrest. Berit's parents Dave and Diane, their son Ben, and the Beck family have issued the following statement:

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