India, June 8 -- A former detective has revealed why he thinks Nancy Guthrie did not survive her attacker. This theory - that Nancy is no longer alive - is one that several experts have said they believe.

Speaking to NewsNation's Brian Entin, former detective Jon Buehler said that various factors from the early stages of the investigation have made him believe that Nancy may have died.

"The reason I'm fearful she didn't survive the abduction is kind of twofold," Buehler said.

He noted how there was a lack of communication from any potential kidnapper.

"No. 1, no instantaneous demand for a reward with indication that she's fine and that they'll release her," Buehler said. "That's a pretty big stretch there to think that she survived it...