Two former prosecutors have been charged with lying about the relationship one had with a witness in the trial of a man who alleged he was tortured when questioned about the 1982 slayings of two Chicago police officers.Special prosecutor Lawrence Oliver II on Wednesday unsealed charges against Nicholas Trutenko and Andrew Horvat.Trutenko, who was a Cook County assistant state’s attorney at the time, testified in 2020 that he was a longtime friend of William Coleman, a central witness in the 1989 trial of Jackie …