CSI: Crime Scene Investigation (season 7) chainsaw massacre ("Toe Tags"), a death at a church ("Double-Cross"), a kidnapping ("Burn Out"), a series of miniature killings ("Post Mortem"), the death of identical twins ("Happenstance"), and the return of a 1970s Mob Boss to Vegas ("Living Legend"). Meanwhile, Catherine faces the loss of her father ("Built to Kill"), Greg is assaulted ("Fannysmackin'"), Keppler faces his past ("Law of Gravity"), and the team attempt to hide their amusement when a man is found trapped in concrete ("Loco Motives"). Louise Lombard joins the main cast, and departs at the season's end. <onlyinclude></onlyinclude> CSI: Crime Scene Investigation (season 7) The seventh
CSI: Crime Scene Investigation (season 12) museum ("Maid Men"), a cold-case killing ("Crime After Crime"), the zippering of a body ("Zippered") and a sadistic slaying ("Freaks and Geeks"). Meanwhile, D.B. struggles to keep control of his family ("Brain Doe"), Morgan's helicopter is hijacked mid-flight ("CSI Down"), Doc Robbins' wife finds herself at the center of an investigation ("Genetic Disorder"), and Catherine works alongside the FBI ("Ms. Willows Regrets"), before making a life-changing decision ("Willows in the Wind"). Then, it's all change at the LVPD when Russell recruits Julie Finlay ("Seeing Red"), fresh out of anger management and ready to tackle cases such as the theft of