katherine per rad dau, back to you. >> oo thanks patti ann. osama bin laden's former doctor is leading jihadists in the country of egypt. he was spotted in the country providing military training to dozens of people there. the 61-year-old is believed to have worked on chemical weapons for al qaeda. back in 2011 he escaped from an egyptian prison in a jailbreak that sprung free ousted president mohammed morsi and a dozen others in the muslim brotherhood. >> this morning five more people are at risk for a rare and deadly brain disease that has no cure. they may have been exposed as a result of surgery performed with infected equipment. melissa mahan has more. >> 8 people in new hampshire and five people in massachusetts