April 28, 2020

Des Moines, Iowa - At 1:07 a.m. on April 22, 2020, the Harrison County Sheriff’s Office received a 911 call in reference to an individual who was fishing and discovered a body along the Missouri River near the Remington Landing boat ramp west of Mondamin, Iowa. The Harrison County Sheriff’s Office recovered a male subject from the river, and the body was transported to the Iowa State Medical Examiner’s Office in Ankeny.

On Friday April 24, 2020, an autopsy was conducted by the Iowa State Medical Examiner’s Office.  Through dental records and tattoo markings, the male subject was positively identified as 57-year-old Jeffrey Lynn Wallis of Mondamin. On April 18, 2020, the Wallis family filed a missing person’s report with the Harrison County Sheriff’s Office.

The investigation is being conducted by the Harrison County Sheriff’s Office, and is assisted by the Iowa Division of Criminal Investigation and the Burt County Sheriff’s Office of Nebraska. Final autopsy results are pending due to toxicology exams.


The Iowa Department of Public Safety (DPS) is the largest law enforcement agency in the state. It includes six divisions and several bureaus, all working together with local, state and federal government agencies and the private sector, to keep Iowa a safe place by following our core values: leadership, integrity, professionalism, courtesy, service and protection. Divisions within the Iowa DPS: Iowa Division of Criminal Investigation, Iowa Division of Narcotics Enforcement, Iowa State Patrol, Iowa State Fire Marshal Division, Iowa Division of Intelligence and Fusion Center, and Administrative Services Division. The Department of Public Safety is led by the Commissioner who is appointed by the Governor.

Iowa Department of Public Safety
215 E 7th St
Des Moines IA 50319