According to court records, Phillip Wayne Hayes, 48, of Dallas, is set to appear before Smith County Judge Kerry Russell on Wednesday, May 25. Hayes has waived his right to a grand jury and and will enter a plea of guilty to a charge soliciting a prostitute, according to Smith County District Attorney Jacob Putman. Hayes was a defense attorney during the trial that led to William Davis’ murder conviction in the death of four patients while Davis worked as a nurse at Christus Trinity Mother Frances Louis and Peaches Owen Heart Hospital in Tyler.