Pima County Sheriff Chris Nanos told CBS News the suspect's backpack is one of the most promising leads in the case, as the search continues for Nancy Guthrie.
After setting social media abuzz by saying aliens were real, former President Barack Obama said he didn't see evidence that aliens "have made contact with us."
Late Russian opposition leader Alexey Navalny's mom says a European assessment that he was poisoned in prison "confirms what we knew from the very beginning."
