CSI: Miami Season 7 Episode 9

Dade student Kathy Meyers is blinded and tortured to death with starter cables. Her steady boyfriend has a criminal record. The OM recalls a case detective, Reggie Mastell, failed to make a case stick against optician Max Paulson. Mastell claims it's his work again and grossly disrespects procedure. Jessica Davi, who survived a similar attack, accuses him of dismissing her report, her fiancé Dennis Chilton is violently protective. Shortly after addict Rachel Calvado is killed the same way, but sloppily. How do the cases really link?