"Beheaded Syrian scholar refused to lead Isis to hidden Palmyra antiquities"

From 2015:

hung his mutilated body on a column in a main square of the historic site because he apparently refused to reveal where valuable artefacts had been moved for safekeeping.

The brutal murder of Khaled al-Asaad, 82, is the latest atrocity perpetrated by the jihadi group, which has captured a third of Syria and neighbouring Iraq and declared a “caliphate” on the territory it controls. It has also highlighted Isis’s habit of looting and selling antiquities to fund its activities – as well as destroying them.