After four years behind bars, appeal court overturns Amanda Knox' conviction

Amanda Knox and her ex boyfriend, Raffaele Sollecito were released from prison this evening after an appeal court overturned their murder conviction.

They were both found guilty in 2009 of the brutal sex murder of Meredith Kercher, 21, who was found semi naked with her throat cut in her bedroom of the house she shared in Perugia, Italy.

So, if they didn't kill her, who did? You can read more about it here