Lindsey developed the psychotropic compound, part of her "Splinter Project" that divided human like cognition from animal instincts, Splinter being the first test subject given the drug. The experiments on Slash at StockGen, hoping it would validate her theories about mutation. When the Foot Clan attacked the lab, the compound and Splinter were lost, leaving Slash without the drug's mind enhancing elements needed to keep his primal instincts in check. His rampages caused great damage, and Baxter Stockman shelved the project, using her as a scapegoat.