Arliss Driver is a former line cook at a facility con artist April Troost was sent to in her youth after she was raped and impregnated by con artist Patrick Sullivan in her youth. He helped her deliver the baby in his van, but she was horrified to find out they were deformed. Troost buried the baby alive and swore to Driver to never tell the truth.
Driver would later become another con of Troost and her mother, Lorraine Dillon, and with that spiraled down into drug addiction and was infected with AIDS when sharing a needle with a fellow junkie. When the District Attorneys office tracked him down, he was encouraged to provide a testimony in Troost's murder of her baby in exchange for immunity. Troost was successfully imprisoned after a confession and Dillon turning on her as well. Driver tried to help the detectives find the body of the baby, but the area had been turned into a housing development and Driver had never actually seen where Troost had buried it. (L&O: "Flaw")