" You excelled at the stealth sidle. But your heydey prowess has no value anymore. Your skill set has been phased out. The tables have been turned. Virtual windows are opening all around you. You, the master watcher, are an aging, lumbering target in their crosshairs. A ski mask won't help you now. "

― Michelle McNamara , I'll Be Gone in the Dark: One Woman's Obsessive Search for the Golden State Killer