Search for Clues to American Peter Kassig's Death in ISIS Video For the third time...

Peter Kassig's Powerful Silence Before ISIS Beheaded Him Abdul-Rahman (Peter) Kassig ISIS Islamic State Abdul-Rahman (Peter) Kassig...

ISIS Beheads American Peter Kassig, Recent Convert to Islam & Former Army … The Islamic State (IS/ISIS/ISIL)...

Isis kills US hostage Peter Kassig A man appearing to be Peter Kassig, a 26-year-old...

Video claims ISIS militants have beheaded American hostage Peter Kassig (CNN) – Militants claim to have...

ISIS video claims beheading of US hostage Peter Kassig Islamic State militants have reportedly beheaded US...