In 2014, Adnan Syed became a household name thanks to the podcast Serial, in which journalist Sara Koenig examined the circumstances of his conviction for the 1999 murder of his then-girlfriend Hae Min Lee. Now, HBO has released a trailer for its four-part docu-series, The Case Against Adnan Syed, which hinges on the hope that America still cares about true crime the way it did five long years ago.