Journalist James Foley, a 1996 Marquette graduate, speaks about his experiences as a captive in Libya during a speaking engagement at Marquette University Wednesday, December 7, 2011. Foley was kidnapped in Syria six weeks ago, his family reported Wednesday, January 2, 2013. (Rick Wood/Milwaukee Journal Sentinel/MCT)
Journalist James Foley, a 1996 Marquette graduate, speaks about his experiences as a captive in Libya during a speaking engagement at Marquette University Wednesday, December 7, 2011. Foley was kidnapped in Syria six weeks ago, his family reported Wednesday, January 2, 2013. (Rick Wood/Milwaukee Journal Sentinel/MCT) MCT
Journalist James Foley, a 1996 Marquette graduate, speaks about his experiences as a captive in Libya during a speaking engagement at Marquette University Wednesday, December 7, 2011. Foley was kidnapped in Syria six weeks ago, his family reported Wednesday, January 2, 2013. (Rick Wood/Milwaukee Journal Sentinel/MCT) MCT

Islamic State posts video of beheading of U.S. journalist, warns Obama to halt strikes

August 19, 2014 8:38 PM