The longest-serving inmate in the United States prison system is William Heirens, also known as the Lipstick Killer for the message left scrawled in lipstick at a crime scene. He’s been continuously incarcerated for 62 years and counting. Journalist Adam Higginbotham tells us about Heirens’s many years in prison. His article in the June GQ magazine is “The Long, Long Life of the Lipstick Killer.”