Jury Deliberates Just 40 Minutes To Convict Richard D. Mayor Of First Degree Murder
EDWARDSVILLE - A Madison County jury deliberated just 40 minutes Thursday before finding a man guilty of first-degree murder for intentionally striking a woman with his pickup along a highway in Pontoon Beach. The jury convicted Richard D. Mayor, 60, in connection with the death of Lisa M. Dunnavant-Polach, 46, on Feb. 21, 2023. The two had been in a relationship but became involved in a dispute. Mayor and Dunnavant-Polach were residents of East St. Louis. Evidence and testimony showed that Dunnavant-Polach was on foot along Illinois Route 111 and trying to evade Mayor, who was driving a pickup. The driver of a tractor-trailer, seeing that the victim was in distress, pulled over to help her. As Dunnavant-Polach tried to get into the semi, she was hit by Mayor’s pickup. The driver of the semi, a former Marine, testified that he pulled the microphone wire off his CB radio and used it to tie a tourniquet on the victim’s severed leg. Despite her injuries, Dunnavant-Polach wa