Trista Dawn Casey, a 38-year-old woman from Witt, Illinois, tragically passed away on June 1, 2022. Trista, who was born on April 17, 1984, in Taylorville, Illinois, was a dedicated mother and a member of Grace Baptist Church in Nokomis, Illinois. She worked as a Licensed Practical Nurse (LPN) with Advantage Nursing. On the morning of June 1, 2022, the Montgomery County Sheriff’s Office responded to a report of a shooting at Trista's residence in Witt Township. Upon arrival, deputies discovered Trista and her boyfriend, Michael S. Cunningham, 40, both deceased from multiple gunshot wounds.
The investigation quickly identified Trista's ex-husband, Matthew A. Casey, 40, of Nokomis, as a person of interest. Matthew Casey was later found at his residence in Nokomis with a self-inflicted gunshot wound, and he was pronounced dead at the scene. The preliminary investigation suggested that Matthew Casey's death was a result of suicide. This tragic incident left the community in shock and mourning, as it involved a domestic dispute that escalated to a fatal conclusion.
The case was handled by multiple law enforcement agencies, including the Montgomery County Sheriff’s Office, Illinois State Police, and the Montgomery County State’s Attorney’s Office. The investigation revealed that the motive behind the shootings was likely related to ongoing domestic issues between Trista and Matthew Casey. The authorities conducted a thorough investigation, which included obtaining a search warrant for Matthew Casey's residence and executing it with the assistance of the Illinois Law Enforcement Alarm Systems (ILEAS) Response Team.
Trista Dawn Casey's death, along with that of Michael Cunningham, was a devastating event for their families and the local community. The incident highlighted the severe consequences of domestic violence and the importance of addressing such issues before they escalate to such tragic outcomes. The community continues to remember Trista for her dedication to her family and her profession, and her untimely death serves as a somber reminder of the impact of domestic violence.
