GRAPHIC CONTENT Islamic State video purports to show beheading of British hostage David Haines(01)

GRAPHIC CONTENT Islamic State video purports to show beheading of British hostage David Haines(01)

Video Screenshot Gallery: Liveleak Beheading

Before ISIS: A history of beheadings to terrify, punish PBS News Weekend
GRAPHIC CONTENT Islamic State video purports to show beheading of British hostage David Haines
Turkish-Backed Rebel Group Executes Kurdish Prisoners - Video - NYTimes