The law firm has successfully defended Electronic Data Systems and other major corporations against criminal accusations. McColl is experienced in both federal and state criminal trials, appeals, and post-conviction state and federal writs of habeas corpus, federal § 2255 applications and pardons. He has litigated criminal cases throughout Texas, in 14 other states, and in Washington, D.C. McColl has developed innovative techniques in defending DWI, intoxication manslaughter cases and cases involving sexual abuse allegations.