http://www.slate.com/articles/news_and_politics/crime/2015/01/serial_s_next_season_five_mysterious_cases_that_the_podcast_should_explore.html

Now that the first season of the Serial podcast has concluded, the only thing that listeners can feel confident about is that there will be a second one. (Can we even be confident that the second season will tackle a crime story? No. No, we cannot. Damn you, Serial, give us something tangible to hold on to!) Luckily for Serial listeners—if not for prospective story subjects—there are myriad cold and questionable cases crying out for the Serial treatment: a painstaking true-crime investigation filtered through an approachable narrative lens. Here are five cases Sarah Koenig’s crew would be wise to tackle in future seasons.