Needle Work: Battery Acid, Heroin, and Double Murder

Carol Giles was cheating on her diabetic husband, Jessie, with Tim Collier. When Carol’s friend Nancy Billiter wound up dead—she had been bound, sexually violated, and injected with a lethal dose of battery acid and heroin—detectives in Michigan traced the murder back to the murderous duo, who had a second secret: They had given Carol’s husband a deadly shot of heroin instead of insulin.