Search Continues for Missing McDonald County Couple
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Search Continues for Missing McDonald County Couple
Leo and Katherine Lindeman have been missing since mid-September as investigators search property, examine evidence and pursue additional records.
By Miami News-Digest
October 3, 2026
ANDERSON, Mo. — Authorities continue searching for answers in the disappearance of an elderly McDonald County couple who have not been seen or heard from since mid-September.
Leo Lester Lindeman, 73, and Katherine Marie Lindeman, 74, of the Anderson area remain listed as missing through the Missouri State Highway Patrol Missing Persons Clearinghouse. The Highway Patrol lists Sept. 15 as the date of last contact for both.
The McDonald County Sheriff’s Office is the investigating agency.
The couple was reported missing to authorities Sept. 24 after family members became concerned about the lack of contact. Their small white dog is also reported missing.
Investigators have since carried out several searches around the Lindemans’ rural property using law-enforcement personnel, drones and search dogs.
Approximately 15 acres surrounding the residence had been extensively searched by the beginning of October, according to published reports. Search operations included multiple drones and several trained search dogs.
Authorities also obtained a search warrant for the Lindeman residence.
McDonald County Sheriff Robert Evenson previously told reporters that investigators examined the home for fingerprints and collected electronic devices and trace evidence as part of the investigation. Details concerning the evidence collected have not been publicly released.
The Lindemans’ vehicle remained at their residence as of the most recent reporting.
Investigation Expands to Records
Investigators have also been working to examine records that could help establish the couple’s movements and activity around the time they disappeared.
Evenson told reporters earlier this week that authorities were preparing to obtain the necessary warrants to examine the couple’s banking activity.
As of Oct. 3, it has not been publicly confirmed whether those records have been received or whether they revealed any activity after Sept. 15.
Authorities also have not publicly disclosed whether investigators have obtained cellphone carrier records, location information or call-detail records for either Leo or Katherine Lindeman.
The Missouri State Highway Patrol continues to list both Lindemans as missing. The Highway Patrol’s public missing-person information identifies the McDonald County Sheriff’s Office as the investigating agency.
Missing Persons Descriptions
Katherine Marie Lindeman, 74
Height: 5 feet, 2 inches
Weight: approximately 150 pounds
Hair: white
Eyes: hazel
Leo Lester Lindeman, 73
Height: 5 feet, 7 inches
Weight: approximately 145 pounds
Eyes: brown
No verified public information has established where the couple went following their last known contact. Authorities have not publicly identified a suspect or announced evidence establishing what happened to the Lindemans.
The status of searches beyond the approximately 15-acre area surrounding the residence has also not been publicly confirmed.
Questions remain concerning whether additional Missouri State Highway Patrol resources have been assigned to the investigation and whether any federal agency has been asked to assist.
The case remains active.
Have information?
Anyone with information concerning Leo or Katherine Lindeman should contact the McDonald County Sheriff’s Office at 417-223-4319.
Timeline of the Lindeman Disappearance
Sept. 15
Missouri State Highway Patrol records list this as the date of last known contact with Leo and Katherine Lindeman.
Sept. 24
The couple is reported missing to authorities.
Late September
Investigators obtain a search warrant for the Lindeman residence and collect electronic devices and trace evidence.
Late September
Search operations involving drones, search dogs, law-enforcement personnel and family members are conducted around the property.
Oct. 1
Approximately 15 acres are reported to have been extensively searched. Leo and Katherine Lindeman and their dog remain missing.
Oct. 2
The Lindemans’ vehicle is reported to remain at the residence. Sheriff Robert Evenson says investigators are preparing to obtain warrants related to banking activity.
Oct. 3
Leo and Katherine Lindeman remain listed as missing through the Missouri State Highway Patrol Missing Persons Clearinghouse.
Sources and Verification
This report was compiled from information published by the Missouri State Highway Patrol, statements attributed to the McDonald County Sheriff’s Office and verified regional news reporting. Miami News-Digest has avoided speculation concerning the cause or circumstances of the disappearance. Information not publicly confirmed by investigators is identified as such.
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