Complex sentence: In "Saw IV", she is seen in a flashback, offering John her services, prior to John becoming the Jigsaw Killer, and in a flashback in "Saw V" lying unconscious as John and Hoffman set up the Nerve Gas House.
Split into simpler sentences: In "Saw IV", she is seen in a flashback, offering John her services, prior to John becoming the Jigsaw Killer. In a flashback in "Saw V", she is seen lying unconscious as John and Hoffman set up the Nerve Gas House.