days later that Chance faked his death for his own protection. His parents were made aware that he was still alive, and he was sent to the Witness Protection Program. When Ronan tried to get Chloe back, she rejected him, still believing that Chance was dead and he was the reason. Heather noticed that there was something wrong with Ronan's health. He told her to mind her business, but she refused. He later passed out and she took him to hospital. It was revealed that he had a liver condition. After being confronted by Heather and her father Paul, Ronan admitted that Chance was well and alive in the Witness Protection Program. It was revealed that Ronan's biological father was a man named Jimmy. Jimmy was killed by the same disease that plagued Ronan. Nina then finally discovered that Ronan was her lost son. Ronan needed a liver transplant, and since his brother was a match, Chance left the Witness Protection Program to donate part of his. Following his surgery, Ronan was taken away by the FBI and disappeared from town. His family was upset with him for leaving soon after they had finally reunited. Ronan returned to Genoa City, where he was hired as the lead investigator in the murder of Diane Jenkins. Those he left behind were still angry at the way he left them. Nina even told him she didn't consider Ronan her son. Ronan and Chloe re-connected and had sex. Chloe wanted answers as to why he left, but he refused to tell her. Ronan continued to taunt and question Genoa City residents who were suspects in Diane's murder, including Ashley Abbott. Ronan had a brief fling with Phyllis Newman, who was also a suspect. By February, Ronan announced to Chloe that he was leaving town on another assignment. Nina was devastated, though before he left, he sent her a package, containing the book she wrote with a note inside stating that he loves her, bringing Nina to tears as he called her "Mom" for the first time. Ronan said goodbye to everyone before officially closing the Diane Jenkins murder investigation. Ronan returned to town at the request of Victor Newman to locate his daughter Abby, who had been supposedly kidnapped by Carmine Basco. However, Abby staged the entire thing as a publicity stunt. Ronan stayed in Genoa City after the death of Ricky Williams, becoming