 In "See No Evil" a large prison break occurs and one of the inmates, Joe LeBrock, states that they were planning on targeting Horatio.In the episode "Manhunt", he and the team track down Memmo Fierro, the man who was serving time for killing Marisol (Horatio's wife and Eric's sister) after he is one of the eight people who broke out in the previous episode.Memmo (under orders of Antonio Riaz of the Mala Noche) had shot Marisol, then blocked the ambulance, trying to get Horatio to come out, forcing the ambulance to drive over a center median.