ISU’s Kevin Dresser on gambling probe: ‘I knew this thing was a mess’
Iowa State’s Kevin Dresser on the gambling probe: “I hope all these athletes at Iowa and Iowa State take the state of Iowa to the cleaners.”
- A former Iowa investigator is suing the state, claiming he was fired for criticizing a high-profile college sports gambling probe.
- Mark Ludwick alleges his termination was retaliation for testifying that investigators conducted illegal searches and were told to mislead students.
- The gambling investigation, which led to charges against dozens of student-athletes, has faced legal challenges over its methods.
A longtime investigator for the Iowa Division of Criminal Investigation says he was forced out of the agency because he voiced reservations about a high-profile investigation into gambling in college athletics.
Mark Ludwick was hired by Iowa’s top investigative agency in 1997 and was terminated in November 2024, according to a lawsuit filed Feb. 20 in Polk County. According to his complaint, Ludwick was fired after two “frivolous” investigations, one claiming he’d exceeded the speed limit driving to a murder scene, and the other for assistance he provided to a domestic abuse victim.
The real reason, Ludwick alleges, is that officials were embarrassed after Ludwick testified under oath about what he regarded as weaknesses in their sports wagering investigation, which resulted in dozens of Iowa State University and University of Iowa student-athletes facing suspensions, 25 being criminally charged and 19 pleading guilty to underage gambling.
Ludwick testified in early 2024 he believed investigators had conducted illegal searches to identify the online gamblers and that he and other agents had been directed to lie to students about whether they were subjects of the investigation. He also alleged that stress about the case contributed to another agent’s fatal heart attack, although the agent’s relatives disputed the connection.
Now Ludwick is accusing the state of violating Iowa’s whistleblower protection statute. He declined through his attorney to comment. The Iowa Attorney General’s Office also declined to comment, and the Iowa Department of Public Safety, which includes the DCI, did not respond to an inquiry about the case.
Gambling investigation raised constitutional concerns
In the gambling investigation, DCI investigators used software tools provided by GeoComply, a Canadian company that contracts with online sportsbooks like FanDuel and DraftKings, to look for evidence of illegal gambling activity. Using a GeoComply system, the investigators created a so-called “geofence” around college athletic facilities that allowed them to detect student athletes using wagering accounts registered to parents and friends to place bets ― sometimes on their own games.
Although the investigation resulted in numerous arrests and suspensions, it also drew controversy, in particular for agents’ failure to obtain warrants before conducting their location searches. GeoComply, which had encouraged Iowa to use its service, responded by cancelling the state’s access.
A large group of current and former students sued the state, accusing investigators of violating their constitutional rights. In November 2025, a federal judge ruled that the state’s investigation “does not comport with the Fourth Amendment,” which provides protection from illegal searches.
Nonetheless, the court dismissed the lawsuit, finding the officers involved were entitled to immunity. An appeal is pending.
Ludwick’s reservations emerge in depositions
Ludwick was an experienced investigator for the DCI, working on high-profile cases including the 2015 murder of Shirley Carter, whose son was tried and acquitted, and the 2017 deaths of two girls in a fire started by a relative.
While not the lead agent on the 2023 gambling investigation, Ludwick was tapped to assist by interviewing some of the student athletes. He later testified he grew concerned that the state’s geofence searches amounted to illegal, warrantless searches, and declined to participate in the case any further. He alleges that other DCI agents shared his concerns and also maneuvered to avoid being involved in the case.
Ludwick says he reported his concerns to his superiors. In January 2024, he was deposed by defense attorneys for four of the students, and “testified truthfully during his deposition that he believed an illegal search had been conducted.” Defense attorneys cited Ludwick’s remarks within days in filings covered by numerous media outlets, including the Des Moines Register, which “caused embarrassment and increased scrutiny for the Iowa Department of Public Safety, Commissioner Bayens, and other employees,” Ludwick’s suit states.
According to the complaint, officials launched an investigation into Ludwick for speeding on March 5, weeks after the embarrassing testimony was reported. On Aug. 8, officials initiated a second investigation after, Ludwick says, “he attempted to help a victim of domestic abuse flee her abuser.” He denies his actions violated Iowa law or department policy.
William Morris covers courts for the Des Moines Register. He can be contacted at wrmorris2@registermedia.com or 715-573-8166.