"Therefore, when ye meet the Unbelievers (in fight), smite at their necks ..." (Qur'an, Sura 47:4).

From [1] AP:

CAIRO, Egypt (AP) - An Iraqi militant group has beheaded its South Korean hostage, Al-Jazeera television reported Tuesday.

The pan-Arab station said it had received a videotape showing that Kim Sun-il had been executed. ...

Al-Jazeera, which had not broadcast the tape, said the execution was carried out by the al-Qaida-linked group Monotheism and Jihad.

Let us not lose our resolve to end this scourge of humanity.