a former boyfriend of hers, an individual that she was in love with. >> on january 2nd, four and a half years after the slaughter of travis alexander, the prosecutor opened the first-degree murder trial of jodi arias by talking about a love that had gone very, very wrong. >> she rewarded that love by sticking a knife in his chest. >> juan martinez laid out his case for jodi's guilt as detectives, technicians and analysts, one by one, took the stand and connected jodi to the crime. her hair and dna at the scene. >> so this hair that you examined, who did that match? >> the root matched jodi arias. >> a crime scene specialist testified she found jodi's bloody hand print on the wall. martinez had that part of the