10 Most Nagging Mysteries of 2011 From murder mysteries to murky maladies By Kate Seamons, Newser Staff Posted Dec 31, 2011 10:19 AM CST 9 comments Comments What's John Edwards' mystery illness? (AP Photo/Chuck Burton) (Newser) – A lot of big news happened in 2011 ... and some of it only half-happened. The Atlantic Wire took a look at the most frustrating unanswered questions of the year, and keeps its fingers crossed that 2012 will bring new details. Highlights from its list of the year's 10 most nagging mysteries: What's the deal with the Long Island serial killer/killers? In the course of searching for Shannan Gilbert, police ultimately found 10 bodies. Gilbert's body, recently found, was No. 11—except she died accidentally. And authorities can't even agree whether one or two killers are responsible for the deaths. Are police anywhere near catching this guy(s)? If the West Memphis Three didn't do it, who did? Another murder mystery. Three men in Arkansas imprisoned 18 years for murders they insist they didn't commit were freed in August after striking a deal with prosecutors. And they still maintain their innocence. So who's the guilty party? What's wrong with John Edwards' health? His lawyers say he's suffering from an undisclosed medical condition and will be too sick to stand trial on Jan. 30. They want a 60-day delay. Edwards doesn't really look sickly. So what's the mystery illness? What were the pilots of Air France 447 thinking? The black box was recovered this year, but it hasn't answered all the questions about what took the Airbus 330, and the 228 people aboard, down. Why didn't the pilots respond to the stall warnings? And why didn't the lead pilot take the reins when things started going wrong? Click for the rest of the mysteries ... which involve a mobster, some hackers, and a baseball game.