One of the cops who put Catherine Wood behind bars, decades ago, is afraid now that she’s free, this convicted serial killer will do murder again. “For safety reasons, I wouldn’t want my grandchildren, or elderly patients around her,” retired Detective Roger Kaliniak tells WOOD-TV in Grand Rapids, Michigan. “She’s a serial killer, and she could do it again, and most of them do.” Catherine and her partner in all things, including murder, Gwen Graham, were convicted, in 1987, o