Overview

Last Seen: May 1, 1990
Location: Rice Lake, Barron County, Wisconsin
Age When Missing: 39
Classification: Missing Person
NamUs: MP59982

Main circumstances: Greger reportedly walked away from a halfway house in Rice Lake. He subsequently disappeared, and authorities have not publicly established what happened to him. There is no verified public evidence that he was the victim of homicide.

Detailed Case Breakdown

Jack Dean Greger Missing Person Case: Missing From Rice Lake, Wisconsin Since 1990

Jack Dean Greger was 39 years old when he disappeared from Rice Lake, Wisconsin, on May 1, 1990. More than three decades later, his whereabouts remain unknown, and his case continues to be listed as an active missing-person case in Wisconsin.

According to official Wisconsin missing-person records, Greger walked away from a halfway house in Rice Lake and was never seen or heard from again. The publicly available record provides remarkably little information about what happened before or immediately after he left.

Very Brief Case Summary

Last Seen: May 1, 1990
Location: Rice Lake, Barron County, Wisconsin
Age When Missing: 39
Classification: Missing Person
NamUs: MP59982

Main circumstances: Greger reportedly walked away from a halfway house in Rice Lake. He subsequently disappeared, and authorities have not publicly established what happened to him. There is no verified public evidence that he was the victim of homicide.

The Disappearance of Jack Dean Greger

On May 1, 1990, Jack Dean Greger was in Rice Lake, a community in northwestern Wisconsin’s Barron County. At some point, Greger walked away from a halfway house.

That simple statement constitutes nearly the entirety of the publicly released account of his disappearance. The Wisconsin Department of Justice says that after leaving the halfway house, Greger was not seen or heard from again.

Public sources do not identify the halfway house, explain why Greger was staying there, state precisely what time he left, identify anyone known to have witnessed his departure, or describe what clothing or belongings he had with him.

Those omissions are important. The term “halfway house” can describe different types of residential programs, so it should not automatically be assumed that Greger was incarcerated or involved with the criminal justice system merely because a source uses that term.

What Jack Greger Looked Like

Wisconsin’s missing-person poster describes Greger as a white man with brown hair and brown eyes. He stood approximately 5 feet 4 inches to 5 feet 7 inches tall and weighed approximately 150 pounds. The Charley Project gives a slightly broader weight range of 140 to 160 pounds.

He was 39 when he disappeared. Wisconsin’s current missing-person directory continues to list Greger under Barron County and, as of the current listing, gives his age as 76.

A Case With Few Public Details

Greger’s disappearance stands out because so little information has been released publicly despite the amount of time that has passed.

There is no publicly established account describing where Greger intended to go after leaving the halfway house. Available official material does not identify a vehicle, destination, confirmed sighting after May 1, or circumstances showing whether he left voluntarily intending to begin a new life or subsequently encountered danger.

The Wisconsin Department of Justice nevertheless continues to publicize Greger as missing, and its poster asks anyone with information to contact the Barron County Sheriff’s Department.

The Possible Arizona Lead

One potentially significant—but unverified—development emerged through online researchers examining Greger’s case.

A Websleuths discussion reported that genealogy and public-record databases appeared to contain records for a Jack D. Greger with the same birth date who was associated with Parker, Arizona, in July 2001. If the record actually belongs to the missing Jack Greger, it could indicate that he survived his 1990 disappearance.

That connection has not been publicly confirmed by law enforcement, and public-record aggregation and genealogy databases can contain incorrect or conflated identities. Even participants in the discussion cautioned that such databases sometimes merge records belonging to different people. The Arizona information therefore should be treated as a possible lead rather than proof that Greger was alive in 2001.

Renewed Attention to the Arizona Information

The online discussion became more noteworthy in 2024 when a Websleuths participant reported contacting law enforcement about the possible Arizona connection.

According to that participant, a Burnett County sheriff’s official responded in October 2024 and indicated that the information was being forwarded to Barron County, described in the post as the investigating department. The same participant subsequently reported noticing that Greger’s NamUs record had been updated on October 14, 2024.

This information comes from a forum participant’s account and should not be interpreted as official confirmation that investigators validated the Arizona records or established that the Arizona individual was Greger. No public law-enforcement announcement located for this article confirms such a finding.

Latest Publicly Available Developments

Greger’s case received increased online visibility during 2025.

The Doe Network added Jack Dean Greger, case 6583DMWI, to its missing-person database in January 2025. Wisconsin Missing Persons Advocacy also updated its Greger page on March 9, 2025, noting that a photograph had been added.

On May 22, 2025, The Charley Project added Greger’s case file. Its current entry continues to classify him simply as missing and lists both the Burnett County Sheriff’s Department and Barron County Sheriff’s Office as investigating agencies.

Most importantly, the Wisconsin Department of Justice’s current statewide missing-person directory still lists Jack Greger as missing from Barron County since May 1, 1990.

As of the latest publicly searchable information reviewed for this article in September 2026, no reliable source located announces that Greger has been found, identifies remains as his, or reports that his disappearance has been solved.

What Happened to Jack Dean Greger?

There is not enough publicly released evidence to answer that question.

The known facts establish that Greger was in Rice Lake on May 1, 1990, walked away from a halfway house, and disappeared. The possible later public records in Arizona warrant attention but remain unverified in publicly available official sources.

For that reason, it would be premature to characterize Greger’s disappearance as a homicide, accidental death, intentional disappearance, or confirmed survival after 1990. Each would require evidence that has not been publicly established.

More than 36 years after Jack Dean Greger disappeared, Wisconsin authorities continue to seek information that could explain where he went and what happened after he left the Rice Lake halfway house.

Anyone with information should contact the Barron County Sheriff’s Department at 715-537-3106. Wisconsin’s missing-person poster also provides 1-800-THE-HOPE (1-800-843-4673).