b'The mystery of Iraq war veteran Chase Massner is the hottest topic on CrimeOnline\\u2019s podcast call-in line. Listeners of \\u201cCrime Stories with Nancy Grace\\u201d have been raising good questions about the investigation. Massner was 26 when he disappeared after spending the night at a friend\\u2019s home in Kennesaw, Georgia on March 27, 2014. Grace and Leigh Egan, our prime reporter covering the story, answer caller questions in this episode.'