05/28/2026
SEHIA is proud to welcome D/Lt. Dan Drewyor of the Michigan State Police and Lenawee County Prosecuting Attorney Jackie Wyse as featured speakers in our 2026 conference.
Together, they will present the compelling investigation and prosecution of the Dee Warner case — a missing person investigation that evolved into a complex no-body homicide prosecution. With persistence, detectives and prosecutors built a successful case despite the absence of the victim’s remains.
D/Lt. Drewyor brings more than 12 years of experience with the Michigan State Police, including work in organized crime and cold case homicide investigations. Prosecutor Jackie Wyse has extensive experience prosecuting complex felony cases, culminating in the successful prosecution of this case in 2026.
This presentation will provide attendees with valuable insight into collaborative case-building, investigative strategy, and courtroom prosecution in one of the most challenging types of homicide investigations.
Join us for this powerful and educational case study.