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Missing

Kenneth Henry Sumner










Missing Person Case September 2021



Missing Person Case September 2021


Sumner, approximately 1969/1970 (approximately eight or nine years prior to his disappearance; more recent photos are unavailable)




Date reported missing : 04/24/1978

Missing location (approx) :
Gerty, Oklahoma
Missing classification : Endangered Missing
Gender : Male
Ethnicity :
White
Age at the time of disappearance: 48 years old
Height / Weight : 5'11 - 6'0, 195 - 220 pounds
Distinguishing characteristics, birthmarks, tattoos : Caucasian male. Blond hair, green eyes. Sumner may spell his last name "Summer". He has a tattoo of a woman on his right upper arm and a tattoo on his left forearm of a Hawaiian woman in a hula skirt. He had a goatee at the time of his disappearance.





Information on the case from local sources, may or may not be correct : Sumner was last seen in Gerty, Oklahoma on April 24, 1978. He lived in Oklahoma City and left on a trip to the ranch in Gerty where he and his wife kept horses and cattle. At 2:00 p.m., he saw a female friend at her home for a short time and told her, "This is the last time you will ever see me." Because Sumner had a reputation as a prankster, the woman didn't pay much attention to that statement.
He has never been heard from again. His brown 1975 Ford F-150 pickup truck, and the two guns he carried in it, has never been recovered. It's possible that he was a victim of Claude Eugene Dennis and Michael Charles Lancaster, who escaped from the Oklahoma State Penitentiary on April 23, the day before Sumner disappeared.
Lancaster had been serving a 25-year sentence for armed robbery and Dennis had been serving a 50-year sentence for killing three people when they escaped by tunnelling under a wall. They then went to a nearby house where a prison guard and his family lived, broke in, and stole food, guns and the family's yellow Datsun. They left in the Datsun, leaving the guard's family unharmed.
They didn't resurface for another five days, and when they did they killed a fisherman near Farmersville, Texas. Over the next month the two men went on a crime spree across three states (Oklahoma, Alabama and Texas) and killed eight people altogether, including three state troopers, before they were themselves killed in a shootout with police in Caddo, Oklahoma. About a month after Dennis and Lancaster were killed, the guard's yellow Datsun they'd stolen on the day of their escape was found in a densely wooded area behind a barn in Gerty, Oklahoma, near Sumner's ranch.
Because of the circumstances, there's a theory that Dennis and Lancaster encountered Sumner, kidnapped or killed him, stole his pickup truck and used it to travel to Texas where they killed the fisherman. It's possible that the escaped inmates were waiting outside in Sumner's pickup when he spoke to his friend, and that when Sumner told her she would never see him again, he was trying to communicate that he was under duress.
Other than the circumstances, however, there is nothing to connect the two men to Sumner's disappearance, and it's not the only theory in his case. Another line of inquiry police pursued was whether Sumner's disappearance could have been connected with a dispute with neighbors over a fence.
Sumner was declared legally dead in 2007. His case remains unsolved.


Other information and links : ncy

Oklahoma Highway Patrol, Troop Z
405-425-2137



September 2021 updates and sources

A missing person is a person who has disappeared and whose status as alive or dead cannot be confirmed as their location and condition are not known. A person may go missing through a voluntary disappearance, or else due to an accident, crime, death in a location where they cannot be found (such as at sea), or many other reasons. In most parts of the world, a missing person will usually be found quickly. While criminal abductions are some of the most widely reported missing person cases, these account for only 2�5% of missing children in Europe. By contrast, some missing person cases remain unresolved for many years. Laws related to these cases are often complex since, in many jurisdictions, relatives and third parties may not deal with a person's assets until their death is considered proven by law and a formal death certificate issued. The situation, uncertainties, and lack of closure or a funeral resulting when a person goes missing may be extremely painful with long-lasting effects on family and friends. Several organizations seek to connect, share best practices, and disseminate information and imAge at the time of disappearance: s of missing children to improve the effectiveness of missing children investigations, including the International Commission on Missing Persons, the International Centre for Missing & Exploited Children (ICMEC), as well as national organizations, including the National Center for Missing & Exploited Children in the US, Missing People in the UK, Child Focus in Belgium, and The Smile of the Child in Greece.
The Oklahoman




October 12, 2004. August 22, 2020; .