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JESSIE WALLACE COOK
Case
#436
SourceFBI WantedUpdated Mar 15, 2026
Cold Case · Unknown
9 years waiting · since 2016

JESSIE WALLACE COOK

Justice is overdue — the trail went cold in 2016, but the truth hasn't.

Homicide Victim Eagle Butte, South Dakota On or about October 29, 2016 The FBI's Minneapolis Field Office in Minnesota, along with the Cheyenne River Sioux Tribe Law Enforcement Services in South Dakota, are seeking the public's assistance in identifying the unknown individual(s) responsible for the murder of Jessie Wallace Cook in Eagle Butte, South Dakota. On October 29, 2016, Cook, then 32 years old, was found on the ground, unresponsive, near the water tower on the corner of Willow Street and Highway 212 in Eagle Butte, South Dakota. He was pronounced deceased at approximately 9:00 a.m. the same day. Cook had severe facial damage, and the autopsy determined blunt force injury to be the cause of death. Remarks: Cook was an enrolled member at the Cheyenne River Sioux Tribe Indian Reservation.

Case
#436
SourceFBI WantedUpdated Mar 15, 2026

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Case Information

Incident:October 29, 2016
Last Updated:August 8, 2026

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Case Information

Incident:October 29, 2016
Last Updated:August 8, 2026

Up to $10,000 Reward

For information leading to the resolution of this case