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UMN

Social-media shooting threat kept campus on alert for six hours; man arrested

AI-generated · every claim is source-linked
MNthreat of violenceemergency notificationhigh confidence
Confirmed Threat

On January 11, 2024, the University of Minnesota issued a SAFE-U Emergency at 7:21 AM CST after 41-year-old Joseph Mark Rongstad posted Facebook threats to come to campus and "start killing kids." The threat kept the campus on heightened alert for nearly six hours until Rongstad was contained by law enforcement in Chippewa County.

Alerts
6
Response
Killed
Injured
Institution
University of Minnesota Twin Cities
Public R1 · MN
All UMN cases →
~54,955 studentsSAFE-U
Official alert policy
Read when and how UMN says it will use SAFE-U: summarized, quoted, and analyzed.
Documented Timeline

Alert Sequence

6 messages in sequence · 6 verified verbatim

INITIAL ALERTSMS
Verified verbatimUMN SAFE-U Emergency (official)476 chars
U of M Twin Cities: **THREAT TO TWIN CITIES CAMPUS** Public Safety has received a specific threat to shoot persons on the TC campus from Joseph Mark Rongstad DOB 3/13/1982. Physical description is 6 feet tall, 195 lbs, brown hair, hazel eyes. No clothing or vehicle description is available. UMPD will have extra officers on campus with partner agencies. The BCA and the suspect's home sheriff agency are investigating the incident. Updates and safety tips at z.umn.edu/alerts
The alert described the threat as 'specific,' a notable departure from more generic campus safety warnings
UPDATESMS+24 min
Verified verbatimUMN SAFE-U Emergency (official)242 chars
U of M Twin Cities: Update to report of campus threats, the Twin Cities campus is open with normal operations. All buildings will be on UCard access only. Employees are encouraged to work from home. Updates and safety tips at z.umn.edu/alerts
Rongstad was identified as a former mayor of Watson, Minnesota, a town of approximately 200 people
UPDATESMS+2h 42m
Verified verbatimUMN SAFE-U Emergency (official)468 chars
U of M Twin Cities: 2nd update to report of TC campus threats. Public Safety continues to work with State and County partners to resolve this incident. Based on their updates and a changing timeline, all employees who are deemed non-essential or non-critical are asked to work from home after checking in with their supervisor. Students and all others are encouraged to stay clear of campus until this situation is resolved. Updates and safety tips at z.umn.edu/alerts
Recovered from official SAFE-U emergency archive page 47
UPDATESMS+4 h
Verified verbatimUMN SAFE-U Emergency (official)310 chars
U of M Twin Cities: 3rd update to report of TC campus threats. There is no new information regarding this incident. Public Safety is monitoring the progress of the investigation and search for the suspect. The campus community is advised to continue to avoid campus. Updates and safety tips at z.umn.edu/alerts
Recovered from official SAFE-U emergency archive page 46
UPDATESMS+5h 11m
Verified verbatimUMN SAFE-U Emergency (official)365 chars
U of M Twin Cities: 4th update to report of TC campus threats. Public Safety continues to monitor the progress of the investigation and search for the suspect, but has no new information. There are multiple police and security units positioned throughout the TC campus. The public is advised to continue to avoid campus. Updates and safety tips at z.umn.edu/alerts.
Recovered from official SAFE-U emergency archive page 45
ALL CLEARSMS+5h 41m
Verified verbatimUMN SAFE-U Emergency (official)199 chars
U of M Twin Cities: **ALL CLEAR** Final Update to threats to TC Campus. Chippewa County Sheriff has located the suspect and have him contained in their county. TC campus may resume normal operations.
Verbatim SAFE-U final update as quoted by KNSI Radio; issued just after 1:00 PM CST on January 11, 2024, nearly six hours after the initial alert
The grammatically irregular 'have him contained' is preserved from the original notification
Rongstad was not yet in custody at the time of the all-clear but was contained; the SWAT standoff continued until approximately 4:15 PM CST
Message elements

How the first alert is built

To check this alert, Claude (an AI) read it in full 25 separate times, independently. Each read decided whether the message answers each of the six questions and gave a short reason. A final reviewer then weighed all 25 and wrote the plain-English verdict you see when you open a row. The score (for example 22/25) is how many reads agreed; the 25 individual reads are tucked underneath if you want to check them.

U of M Twin Cities: **THREAT TO TWIN CITIES CAMPUS** Public Safety has received a specific threat to shoot persons on the TC campus from Joseph Mark Rongstad DOB 3/13/1982. Physical description is 6 feet tall, 195 lbs, brown hair, hazel eyes. No clothing or vehicle description is available. UMPD will have extra officers on campus with partner agencies. The BCA and the suspect's home sheriff agency are investigating the incident. Updates and safety tips at z.umn.edu/alerts

  • Sourceabsent0/0

    Who is sending the alert and who is responding. People act faster on a message from a clearly identifiable, credible sender, such as a named department, the police, or a branded alert system, than on an anonymous notice. A branded signature counts.

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  • Hazardabsent0/0

    What the threat actually is. A complete warning names the specific danger, such as a shooter, a fire, a tornado, or a gas leak, rather than a vague emergency, because people decide what to do based on what they are facing.

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  • Locationabsent0/0

    Where the threat is. Saying whether danger is in a specific building, a part of campus, or area-wide lets people judge their own proximity and choose a safe direction. Without a where, a warning is hard to act on precisely.

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  • Guidanceabsent0/0

    The protective action to take. A clear, specific instruction, such as shelter in place, evacuate, avoid the area, or run-hide-fight, drives faster and more correct protective behavior than describing the threat alone.

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  • Timeabsent0/0

    When the message applies. A timestamp, the word now or immediately, or a phrase like until further notice tells the reader whether the danger is current and how quickly to act.

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  • Impactabsent0/0

    What the hazard could do to the people in its path. Beyond naming the threat, a complete warning conveys its potential consequences or severity, such as that a tornado can level buildings or that a leak could be explosive, so recipients grasp how much danger they are in. Research on warning message content finds that a concrete impact statement helps people personalize their risk and act sooner.

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Systematic AI judgments with visible reasoning, not human-validated codings.

About this analysis
Context

Background

Joseph Mark Rongstad, a 41-year-old former mayor of Watson, Minnesota, began posting threatening messages on his business Facebook page late on January 10, 2024. The posts, which referenced "mind control technology" and an incoming third world war, turned explicitly violent early on January 11, when he wrote he was headed to the University of Minnesota to "start killing kids" and that "it's going to get bloody." The university's Department of Public Safety issued a SAFE-U Emergency at 7:21 AM CST, describing the threat as "specific". While the campus remained open, non-essential staff were advised to stay away. The all-clear came just after 1:00 PM CST when Rongstad was contained by the Chippewa County Sheriff's Office at his home, approximately 150 miles west of campus. He surrendered to a SWAT team around 4:15 PM CST after officers breached his home. He was charged with felony threats of violence and ineligible possession of ammunition, and was later sentenced to prison.
Analysis

Key Findings

The SAFE-U Emergency lasted nearly six hours, from the 7:21 AM CST initial alert to the all-clear just after 1:00 PM CST
The suspect was located 150 miles from campus, requiring coordination between campus police and rural law enforcement
UMN chose to keep the campus open during the threat, advising caution rather than issuing a shelter-in-place
Outcome
Rongstad surrendered to a SWAT team at his home in Watson, Minnesota, around 4:15 PM. He was charged with felony threats of violence and ineligible possession of ammunition. He was later sentenced to prison.
Provenance

Sources

  1. News
  2. News
  3. News
  4. News
  5. Student Paper
  6. News
  7. Official
  8. Official
  9. Official
  10. Official
  11. Official
  12. Official
Cite this case

Campus Alert Archive. "University of Minnesota Twin Cities: Social-media shooting threat kept campus on alert for six hours; man arrested." Incident of January 11, 2024. Added May 2026; last updated July 2026. https://campusalertarchive.com/case/university-of-minnesota-threat-2024-01-11/

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Alert text quoted on this page remains the work of the issuing institution; the archive is a secondary source.

Tags
threat-of-violencesocial-media-threatfacebookminnesotabig-tensafe-uswat-standoffformer-mayormental-health
Added May 2026Updated July 2026Via ingestion