More confirmation of the fact that "[1] we need people who are capable of fearlessly acknowledging that terrorism nests within us as Muslims and that we must exorcise it."
From [2] AP:

"The nation's zealous children slaughtered the second American hostage ... after the end of the deadline," said the statement, posted under the pseudonym Abu Maysara al-Iraqi, who has posted past statements in the group's name.

The statement said video of the killing would be posted "soon."