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Calvin Anderson Missing Person Case

Last seen in Iron River, Michigan on Jun 17, 1974

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Victim Details

Dec 2, 2010

Jan 12, 2024

Calvin

Anderson

77

25

71 inches

165 lbs

White / Caucasian

Male

Jun 17, 1974

Iron River

Michigan

Iron County

49935

9384

Michigan State Police - Iron Mountain Post

Iron Mountain

Michigan

Dickinson County

49801

Chris Bracket

D/Sgt.

1916 North Stephenson Avenue, Michigan

9067742122

State

Law Enforcement

www.michigan.gov/msp

92-325-74

Michigan State Police - Iron Mountain Post

Brown

Blue

Blue

No

Oct 17, 2026


Area Last Seen:

Case Description

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Summary based on the NamUs case record (MP8722) and 7 other sources
In the small town of Iron River, Michigan, the summer of 1974 was marked by the troubling disappearance of 25-year-old Calvin Michael Anderson. On the afternoon of June 17th, Anderson was seen leaving a residence around 1:30 p.m. and was never heard from again. At the time he went missing, he was with a man named Richard Kyllonen, who was once a close friend. The circumstances leading up to that day were fraught with personal conflict and legal entanglements, painting a grim picture of his final known hours. Anderson was last seen wearing a red and green plaid shirt, faded Levi's, and high-top leather boots.

The relationship between Anderson and Kyllonen had soured in the time leading up to Anderson's disappearance. Tensions escalated when Anderson and his wife separated, and Kyllonen subsequently moved in with her. Adding another layer of complexity to their fractured friendship, Anderson had made a pivotal decision to testify against Kyllonen in connection with a 1971 arson case in which both men were allegedly involved. This agreement to cooperate with law enforcement positioned Anderson as a key witness, a role that may have placed him in considerable danger.

Since that June day in 1974, the investigation into Calvin Anderson's disappearance has remained open, though it is widely believed that he was a victim of a homicide. Richard Kyllonen has been interviewed by authorities on multiple occasions over the years but has consistently refused to take a polygraph test regarding Anderson's vanishing. Despite the strong circumstantial evidence and the prevailing belief that foul play was involved, no charges have ever been filed in connection with the case. The disappearance of Calvin Michael Anderson has left a lasting scar on the community, a poignant and unresolved story of a young man who vanished in the midst of personal turmoil and a decision to speak out.
Calvin Michael Anderson was a 25-year-old White man when he vanished from Iron River, Michigan, on June 17, 1974. He was last seen at approximately 1:30 that afternoon leaving a residence with Richard Kyllonen, a man who had once been one of his closest friends. Calvin stood about five feet eleven inches tall, weighed approximately 165 pounds, and had brown hair and blue eyes. When he disappeared, he was reportedly wearing a red-and-green plaid shirt, faded Levi’s jeans, and high-top leather boots. Nothing in the known record indicates that he contacted his family afterward, returned for his belongings, or was reliably seen anywhere else. What began as a troubling disappearance would eventually become a suspected homicide investigation shaped by a broken friendship, a personal betrayal, and Calvin’s expected testimony in a criminal case.

Calvin and Kyllonen reportedly had been close until the relationship between them deteriorated in June 1974. Calvin had separated from his wife, and Kyllonen subsequently moved in with her, creating an intensely personal conflict between the two men. There was also a serious legal issue hanging over their friendship. Calvin and Kyllonen had allegedly been involved in an arson in 1971, and Calvin had agreed to testify against Kyllonen concerning that crime. By the time Calvin was seen leaving the residence with Kyllonen, he therefore had both a deeply strained personal relationship with him and the potential to provide damaging evidence against him. The convergence of those circumstances gave investigators reason to examine Kyllonen’s possible knowledge of what happened after the two men left together.

Kyllonen has reportedly been interviewed several times during the investigation into Calvin’s disappearance. Authorities have also noted that he refused to submit to a polygraph examination. A refusal to take such a test does not establish guilt, and the available case information does not report that Kyllonen was arrested or charged in connection with Calvin’s disappearance. Nevertheless, he remains central to the known circumstances because he was the last identified person seen leaving with Calvin, had become involved with Calvin’s estranged wife, and faced the possibility of Calvin testifying against him in the earlier arson matter. Investigators have come to believe that Calvin was the victim of a homicide, but no remains have been recovered, no cause or manner of death has been established, and the publicly available information does not identify any person who has been prosecuted for harming him.

The passage of more than five decades has made the search for answers exceptionally difficult. Locations and physical evidence that might once have been examined may have changed or disappeared, and memories from 1974 may have faded as witnesses and others connected to the case grew older. Investigators have, however, continued preserving identifying information that could help establish Calvin’s identity if remains are found. A DNA reference sample from his daughter was completed and entered into the national DNA system through the Federal Bureau of Investigation Laboratory, providing investigators with a means of comparing unidentified remains to Calvin’s family. Photographs from the early 1970s, including an image associated with the Iron County Jail, have also been retained as part of the missing-person record.

Calvin’s case remains under the responsibility of the Michigan State Police’s Iron Mountain Post. At its heart, the investigation concerns a young man who disappeared after leaving an Iron River residence with a former close friend during a period of serious personal and legal conflict. Calvin was never known to return home, and investigators believe he met with foul play, yet the available evidence has not produced a recovery, an arrest, or a criminal conviction. His disappearance remains the story of a family left without a body to bury or a definitive account of his final hours: Calvin Michael Anderson was last seen on June 17, 1974, at age 25, leaving with Richard Kyllonen, and the question of where they went and what happened afterward continues to stand at the center of an unresolved suspected homicide.
Last Seen: Jun 17, 1974

Links to Additional Sources (7)

See any mistakes? Let us know!
  • Iron River man agreed to testify in arson case before he disappeared
  • Calvin Michael Anderson - The Charley Project
  • Michigan Lostnmissing - NamUs MP # 8722 #Missing Calvin ...
  • Calvin Anderson | International Missing Persons Wiki | Fandom
  • Disappearance of Calvin Michael Anderson - Count Every Mystery
  • Michigan - NamUs MP # 8722 #Missing Calvin Michael ...
  • MI - Calvin Michael Anderson, 25, Iron River, 17 June 1974

    • Possible Unidentified Matches (1)

    Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

    76%Possible
    John Doe — Harshaw, Wisconsin - unidentified case UP4738
    John Doe — Harshaw, Wisconsin
    UP4738 • Found Oct 4, 2000
    View case
    Sex ✓Male
    Age 100%Est. 45–60 vs 25 when missing
    Race 100%White
    Location 87%57 mi away
    TimingFound 26 years after last seen
    Height 100%6'0" vs 5'11"
    Hair 70%Gray vs Brown

    These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

    Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.

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    Forum Posts (3)

    I recently came across the case of Calvin Michael Anderson and feel like I’m stuck on the strange... ...Read More
    07/09/2024
    Hey everyone, I was just reading up on the Calvin Michael Anderson case—anyone else find it odd how... ...Read More
    07/07/2024
    With all the true crime forums I’ve read, I’m surprised this case doesn’t get talked about more... ...Read More
    06/24/2023

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