WHO Involved: Kaelin Malik Lemay, 24, of Lone Rock, WI

WHERE Incident Happened: 36007 South Chestnut Street, Lone Rock, WI 53556

What happened: Sheriff Clay Porter reports that the Richland County Sheriff’s Office was assigned two CyberTips as an affiliated member of the Wisconsin Internet Crimes Against Children (ICAC) Taskforce. On January 28th, 2026, the Richland County Sheriff’s Office completed a search warrant at a residence as a result of this investigation. Deputies took into custody Kaelin M. Lemay, 24 years old from Lone Rock for one count of Exposing a Child to Harmful Material. The Richland County Sheriff’s Office was assisted in this investigation by Wisconsin ICAC Taskforce, Wisconsin Department of Criminal Investigation (DCI)-Digital Evidence Unit (DEU), Richland Center Police Department, and Crawford County Sheriff’s Office.

Other Agencies Involved: Wisconsin ICAC Taskforce, Wisconsin Digital Evidence Unit, Richland Center Police Department, Crawford County Sheriff’s Office

Charges: 1 count- Expose Child to Harmful Material- 948.11(2)(a)

WHO Involved: Richard Oman, 79, of Lone Rock, WI
Mary Oman, 75, of Lone Rock, WI

WHERE Incident Happened: Needle Lane

What happened: On 01/24/26, at approximately 8:26pm, Richland County Dispatch began receiving reports of a loud explosion near the Village of Gotham in rural Richland County. Deputies responded to the area and were updated with information that a homeowner on Needle Lane believed their neighbor’s house was severely damaged from an unknown blast. Deputies arrived on scene and discovered a residence on Needle Lane that was completely destroyed from an apparent explosion. Two individuals, Richard and Mary Oman were inside the home during the explosion and were located nearby attempting to stay warm inside a vehicle. Lone Rock Fire, Lone Rock EMS, and Richland EMS all responded to the scene to assist. The individuals were assessed on scene and transported to the Richland Hospital for significant burns and injuries. They were later taken to UW-Madison Hospital via Med Flight, utilizing Richland Fire to create a landing zone at the Richland Hospital.

Statements were quickly gathered from Richard and Mary Oman prior to being transported to the hospital. Mary stated that they believed they smelled “gas” around 5:00pm within the house, but didn’t look into it any further. Richard stated that after the explosion occurred, he located Mary who was trapped underneath debris and was able to free her. Richard and Mary went to a nearby vehicle to stay warm until they were located.

At this time, it is believed that no foul play contributed to the explosion, but the investigation is ongoing.

Other Agencies Involved: Lone Rock Fire, Lone Rock EMS, Richland Fire, Richland EMS, UW Med Flight

WHO Involved: John Farrell, 62, of Richland Center, WI
Cayden Koehn, 19, of Mount Hope, WI

WHERE Incident Happened: County Highway N just East of Richland Center

What happened: On January 16th, 2026 at approximately 5:47pm, Richland County Dispatch received a call regarding a car crash with possible injury near the address of 25272 County Highway N. Richland County Deputies, Richland Fire, Richland EMS, Richland Center Police Department, and State Patrol responded to this crash. An investigation of this crash was conducted by Richland County Deputies along with Wisconsin State Patrol. The result of this investigation led law enforcement to believe that the crash involved 2 drivers by the names of John Farrell and Cayden Koehn who were both the sole occupants of their vehicles. Verbal statements and physical evidence on the scene indicated that Cayden Koehn was operating a sedan down a steep, ice covered hill on Highway N while John Farrell was operating a Richland County plow truck up the same hill. Cayden Koehn’s vehicle appeared to have lost control while traveling down the hill and struck the plow head on. This crash resulted in Cayden Kohen sustaining serious injuries and John Farrell was not injured. Richland Fire and Richland EMS worked diligently to remove Cayden Koehn from his vehicle and took live saving measures before transporting him to the Richland Center Hospital. The use of alcohol or drugs are not suspected at this time, however John Farrell did agree to take multiple drug and alcohol screenings which were conducted shortly after the crash. State Patrol did conduct a crash reconstruction of the scene along with an inspection of the Richland County truck. Cayden Koehn was transported to UW Madison to be treated for his injuries.

Other Agencies Involved: Richland Center Police Department, Wisconsin State Patrol

Charges: After an investigation was conducted, no arrests were made and no charges will be filed at this time.

WHO Involved: Thomas J Nachtigal, 18, of Richland Center, WI
Richard A Schulze, 54, Richland Center WI

WHERE Incident Happened: US Hwy 80 and Industrial Dr

What happened: On 01/16/26, at approximately 4:40pm, law enforcement was dispatched to a report of a two-vehicle accident with injuries near US Highway 80 and Industrial Drive. While en route, Richland County Dispatch advised that CPR was in progress. Life-saving measures were continued until Richland EMS arrived and assumed care. Richland EMS transported an adult male to Richland Hospital, where he was later pronounced deceased. The individual was identified as Richard A. Schulze. Preliminary investigation indicated that Schulze was traveling northbound on US Highway 80 when he lost control of his vehicle due to snow-covered road conditions, causing the vehicle to spin into oncoming traffic. Schulze’s vehicle was struck on the driver’s side by another vehicle operated by Thomas Nachtigal. Nachtigal and his juvenile passenger were evaluated by EMS. The remaining parties involved were treated by EMS and transported to Richland Hospital by a third party. All parties involved were fully cooperative. US Hwy 80 was closed for approximately 3.5 hours, while Wisconsin State Patrol Reconstruction Team came in to investigate. Vehicles were removed by Wegner’s Auto Service. The crash remains under investigation.

Other Agencies Involved: Richland County Sheriff’s Department, Richland Center Police Department, Wisconsin State Patrol, Richland Center Fire Department, Richland EMS, Wegner Auto Service

WHO Involved: Raven Johnson, 22, of Muscoda, WI
Mariah McCormick, 24, Richland Center WI

WHERE Incident Happened: COUNTY HWY E AT TOWN HALL DR

What happened:On 12-09-25 Richland County Dispatch received a call about a single vehicle crash on Town Hall Drive with entrapment. Deputies arrived on scene and located the driver, Raven Johnson, and passenger, Mariah Mccormick, in the vehicle against a utility pole. The vehicle had been traveling north bound on County Hwy E, the operator lost control of the vehicle, and left the roadway near Town Hall Drive. The vehicle crashed into a utility pole causing several power lines to fall to the ground. Deputies aided the occupants until Muscoda EMS and Fire arrived on scene. Both occupants where extricated from the vehicle and transported to the Richland Center Hospital for medical care. During the investigation signs of impairment where observed by the responding Deputies. As a result of the investigation Raven Johnson was arrested and cited for OWI 1st Causing Injury, Failure to Maintain Control of a Vehicle, and Driving to Fast for Conditions.

Other Agencies Involved: Muscoda Fire, Muscoda EMS, Wegners Towing, Alliant Energy

WHO Involved: John H Deitelhoff, 78, of Cazenovia, WI
Marla M Knudson, 83, Lone Rock WI

WHERE Incident Happened: US HWY 14 and Culver’s Richland Center, WI

What happened:On 11/18/25 at approximately 10:34am, Richland County Dispatch received several 911 calls regarding a 2 vehicle crash with one person injured near US HWY 14 and Culver’s. Upon arrival it was determined that a vehicle operated by Marla Knudson was attempting to cross US HWY 14 to head to Goodwill. Knudson’s vehicle was struck by another vehicle that was traveling Westbound on US HWY 14, that was operated by John H Deitelhoff. After, the vehicles had collided, Deitelhoff’s truck left the roadway and came to rest in front of Goodwill. Knudson’s vehicle sustained heavy damage from the crash and remained in the roadway. Two lanes of traffic were closed for approximately 40 minutes while Law Enforcement, EMS, fire personnel and the tow service were on scene. Knudson was transported to the Richland Hospital by Lone Rock EMS. The vehicle was removed by Wegner’s Auto Service.

Other Agencies Involved: Richland County Sheriff’s Office, Richland Center Police Department, Wisconsin State Patrol, Richland Center Fire Department, Lone Rock EMS

WHO Involved: Kathleen Banker, 55, of Hillsboro, WI

WHERE Incident Happened: State Hwy 80//CTH A, Richland Center

What happened: Sheriff Porter reports that on 11/18/2025 at 10:30am, a vehicle that was operated by Kathleen Banker was traveling northbound on state HWY 80 approaching county HWY A. That vehicle began to cross the center line and move into oncoming traffic. This forced another driver who was traveling southbound on state HWY 80 to exit the roadway and drive into a cut cornfield to avoid a head on crash. The vehicle Kathleen was operating continued into the west ditch and crashed into horse creek. The vehicle was submerged in approximately 3 feet of water. First responders assisted in removing the driver from the vehicle and observed that she had sustained minor injuries. Banker was transported from the scene by Richland County EMS. Banker was cited for failure to keep control of her vehicle. The vehicle was removed from the creek by Wegner auto service.

Other Agencies Involved: Richland Center Fire, Richland County EMS, Richland Center Police Department, Wegner Auto Service

WHERE Incident Happened: Buena Vista Township, Richland County WI

What happened: Sheriff Clay Porter reports that on 10/24/2025 at approximately 1:30pm, first responders were dispatched to a two vehicle crash with injuries on us HWY 14 near Premier Coop. The initial investigation showed that a straight truck crashed into the rear of a semi that was hauling corn. US HWY 14 was completely blocked and both drivers sustained injuries.  One driver was trapped in the vehicle and needed to be extricated by Richland Center Fire. After approximately 3 hours, the roadway was back open. One driver was transported to the hospital by ambulance and the other by UW Medflight. At this time, the identities of the drivers are being with-held pending further investigation of the crash.

Other Agencies Involved: Richland Fire, Richland County EMS, Lone Rock EMS, Ithaca First Responders, UW Medflight

Arrest or Charges: Felony Murder, Felon in Possession of a Firearm

WHO Involved: Don L. McCormick, 38, of Richland Center, WI

WHERE Incident Happened: 25399 Jefferson Street, Boaz, WI 53581

What happened: Sheriff Clay Porter reports that the Richland County Sheriff’s Office was assigned three CyberTips as an affiliated member of the Wisconsin Internet Crimes Against Children (ICAC) Taskforce for reported possession of child pornography.

On September 15th, 2025, Richland County Sheriff’s Office executed a search warrant as a result of the investigation at a residence within the Village of Boaz. Deputies took into custody, Don L. McCormick, 38 years old from Boaz, for one count of Possession of Child Pornography.

The Richland County Sheriff’s Office was assisted in this investigation by Wisconsin ICAC Taskforce, Wisconsin Department of Criminal Investigation (DCI)-Digital Evidence Unit (DEU), Richland Center Police Department, Richland County District Attorney and Richland EMS.

Other Agencies Involved: Wisconsin ICAC Taskforce, Richland Center Police Department, Richland EMS, Richland County District Attorney, DCI Digital Evidence Unit

Charges: Possession of Child Pornography- 1 Count