Authorities said the weapon was recovered where Robert Manns was found dead inside his Naylor home.
NAYLOR, Mo. — A fishing spear recovered at a rural Missouri death scene has become a central piece of evidence in a first-degree murder case filed against a man accused of killing his father.
Dustin D. Manns, 44, of Broseley, was charged April 14 after investigators said his father, Robert D. Manns, 71, was found dead the day before in Naylor. The Missouri State Highway Patrol said investigators connected Dustin Manns to the death after locating Robert Manns’ missing Dodge Ram in Poplar Bluff and questioning the son at the Ripley County Sheriff’s Office. Manns is being held without bond.
The weapon described in court records is a fish gig, a spear-like tool used for fishing. According to investigators, Dustin Manns allegedly admitted during an interview that he stabbed his father with the fish gig, struck him across the chest with the handle and asphyxiated him until he was dead. The fishing spear was found at the same scene where Robert Manns’ body was discovered. Authorities have not released a medical examiner’s report, and the exact cause and manner findings from any autopsy have not been made public. The patrol has described the case as a murder investigation, while the filed charge alleges first-degree murder.
Robert Manns was found April 13 at his home in the 600 block of Route B. His sister had gone there because she had not heard from him since April 11. She found the front door unlocked and discovered him dead in a bedroom, according to the probable cause account. When deputies arrived, she told them Robert Manns’ silver Dodge Ram was missing. She also said Dustin Manns could not be reached by phone. Those facts put the vehicle and the son at the center of the first phase of the investigation, even before the interview in which authorities said additional evidence was obtained.
The Missouri State Highway Patrol’s Division of Drug and Crime Control joined the case at the request of the Ripley County Sheriff’s Office. Investigators then followed leads related to the missing truck. The Dodge Ram was found at a residence in Poplar Bluff, a Butler County city north of Naylor. Dustin Manns was contacted at that residence, detained and transported back to the Ripley County Sheriff’s Office. The patrol said investigators obtained evidence during the questioning that connected him to the murder. The agency has not specified whether the evidence included only statements or also physical evidence, digital records or witness accounts.
The charges filed by the Ripley County prosecuting attorney outline the state’s early theory. The first-degree murder count alleges the killing itself. Armed criminal action is tied to the alleged use of a weapon. Abandonment of a corpse addresses what prosecutors allege occurred after the death. Stealing a motor vehicle and tampering with a motor vehicle are tied to the Dodge Ram that was missing from the driveway and later located in Poplar Bluff. The charging decision came one day after the body was found, showing that investigators believed they had enough evidence to move from an investigative hold to formal criminal charges.
The case also depends on what investigators can prove about time and movement. Robert Manns had not been heard from since April 11, but he was found April 13. Authorities have not publicly narrowed the time of death within that two-day window. They also have not said when the Dodge Ram left the property, who drove it, what route it took to Poplar Bluff or whether it was examined after being recovered. Those details could become important as prosecutors try to link the scene, the truck and the suspect. Defense lawyers may also focus on those same gaps as the case develops.
No motive has been released. Authorities have not said whether Robert and Dustin Manns lived together, whether Dustin Manns had recently been at the Naylor home or whether any family dispute preceded the death. Public statements have also not described any emergency call before the sister went to the house. The known sequence begins with the sister’s concern, continues with the unlocked door and the missing truck, and then moves to the Poplar Bluff residence where Dustin Manns was found. Investigators have not publicly identified additional witnesses who saw the father and son together near the time of death.
In criminal court, the alleged confession is likely to receive close attention. Statements made to investigators can become powerful evidence, but they also can be challenged before trial. The court may later examine whether Manns was advised of his rights, whether the interview was recorded and whether the statements can be used by prosecutors. Physical evidence from the fish gig, the bedroom and the truck may also be tested or reviewed. Prosecutors will have to prove the charges beyond a reasonable doubt if the case reaches trial.
Dustin Manns was booked at the Ripley County Detention Center in Doniphan. The patrol said he is held without bond, and no next court date was immediately available when the charges were reported. The next steps are expected to include early court proceedings, continued evidence review and possible release of additional records as filings are made. The patrol said the charges are accusations, not proof of guilt, and a court will determine guilt or innocence.
As of the latest public update, the recovered fish gig, the missing Dodge Ram and the interview at the sheriff’s office form the core of the public case. Investigators have not released further details on motive, autopsy results or future hearing dates.
Author note: Last updated May 7, 2026.