The world, but now police are investigating the theft of a precious piece by picasso, today, september, december 6th, 2014. Announcer from nbc news, this is today, with lester holt and erica hill, live from studio 1a in rockefeller plaza. Welcome to today on this busy saturday morning. Im lester holt. Im erica hill alongside Sheinelle Jones and dylan dreyer. We start with the breaking news. Devastating news from overnight, that american hostage luke somers has been killed in yemen. His death coming as u. S. Forces tried to rescue him from the clutches of al qaeda. Nbcs chief Foreign Correspondent Richard Engel is here with more. Richard, good morning. Good morning. There is always a terrible that the president faces that the u. S. Military faces in a hostage situation, do you attempt to rescue the hostage, knowing the risks. In this case, the president , the military decided to make the risky operation, to make an attempt, but it didnt work out. A desperate attempt to save an american