Missouri and Kansas prosecutors today filed five murder charges against a suspected serial killer. John Robinson, Sr, faces two murder charges in Cass County, Missouri. He’s charged with another three counts in Johnson County, Kansas. Missouri prosecutors have already begun plans to seek the death penalty. Kansas prosecutors have not yet announced their intentions. Robinson is still being investigated for the disappearance of another 4 people. Florida detectives are also looking at missing person cases in an area Robinson lived there.