When Islamic State militants executed American journalist Steven Sotloff last month, the parents of another hostage chose to go public about their missing son.<br/> <br />(SOUNDBITE) (English) ED KASSIG, FATHER OF HOSTAGE ABDUL-RAHMAN KASSIG, SAYING:<br/> <br />"The dynamics have changed now. Steven's family kept the secrecy and he was executed. Peter's name has been listed."<br/> <br />Peter Kassig, who is now known as Abdul-Rahman Kassig, went missing more than a year ago while working as an aid worker in Syria.<br/> <br />He is now facing the same fate as Sotloff.<br/> <br />Kassig was threatened in a video issued by Islamic State that showed British aid worker Alan Henning's beheading.<br/> <br />About two weeks ago, the Kassig family says they received an audio recording from their son, who said U.S. air strikes were jeopardizing his life.<br/> <br />(SOUNDBITE) (English) PAULA KASSIG, MOTHER OF HOSTAGE ABDUL-RAHMAN KASSIG, SAYING:<br/> <br />"It was just automatic, kind of toneless, as though he was a robot, and I'm su
