investigators say a domestic dispute sparked this deadly rampage. in iraq, cnn has learned the pentagon is considering using a drone strike to kill the leader of isis. the mission would have to be approved by president obama, this as we learn that sunni militants have seized nuclear materials from a university in iraq. however, two u.s. officials tell cnn the stolen materials are not believed to be enriched uranium, and therefore, it would be difficult to be used to make weapons of mass destruction. >> the u.s. marine imprisoned for driving into mexico with three firearms will stay behind bars for now. the first court hearing for sergeant andrew tahmooressi ended late last night. he'll be back in a mexican courtroom early next month. tahmooressi's defense said there were irregularities with records of the search of his truck. tahmooressi for his part maintains he took a wrong turn on the california side of the bothered into mexico back in march. chinese computer hackers tried to access u.s. government employee data according to the