The suspect in the 2005 disappearance of American Natalee Holloway in Aruba, Joran van der Sloot, has been "severely beaten" in a prison in Peru, his lawyer Maximo Altez told CBS News."It was a fight between prisoners. I don't know who assaulted Joran," Altez said, without providing any further detail on his client's condition.What to know about the Natalie Holloway caseHolloway went missing during a senior class trip to Aruba, where Van der Sloot is from. She was last seen leaving a bar in the Caribbean nation with Van der Sloot, who was never charged in relation to her disappearance....