The person at the center of this case
Jessie Wallace Cook
Cold Case · Open
JESSIE WALLACE COOK
Jessie Wallace Cook, a 32-year-old enrolled member of the Cheyenne River Sioux Tribe, was found deceased on October 29, 2016, near a water tower in Eagle Butte, South Dakota. He suffered severe facial damage and blunt force injuries. The identity of the perpetrator(s) remains unknown, and the FBI is seeking public assistance.
Eagle Butte, South Dakota
🏛️ FBI Minneapolis Field Office and Cheyenne River Sioux Tribe Law Enforcement Services
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Case Summary
Jessie Wallace Cook, a 32-year-old enrolled member of the Cheyenne River Sioux Tribe, was found deceased on October 29, 2016, near a water tower in Eagle Butte, South Dakota. He suffered severe facial damage and blunt force injuries. The identity of the perpetrator(s) remains unknown, and the FBI is seeking public assistance.
Timeline of Events
🔍
2016-10-29
09:00Body Discovery
Jessie Wallace Cook found unresponsive on the ground near water tower on corner of Willow Street and Highway 212 in Eagle Butte, South Dakota. Pronounced deceased at approximately 9:00 a.m.
Key Locations
Interactive map showing important locations related to this case
Points of Interest / Key Leads
🔍
evidence
Lead #1Severe facial damage and blunt force injury determined as cause of death
🎯
suspect
Lead #2Unknown individual(s) responsible for the homicide
👤
person
Lead #3Enrolled member of Cheyenne River Sioux Tribe Indian Reservation
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Case Information
Case Type:
Cold Case
Status:
Open
Case Number:436
Started:October 29, 2016 at 9:00 AM
Last Updated:April 26, 2026
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