(AP Photo/ Nomaan Merchant)
People are sequestered by members of the Garland Police Department inside the Curtis Culwell Center, Sunday, May 3, 2015, in Garland, Texas. (AP Photo/ Nomaan Merchant)
Members of the Garland Police Department stand inside the Curtis Culwell Center, Sunday, May 3, 2015, in Garland, Texas. (AP Photo/ Nomaan Merchant)
An armed police officer stands guard at a parking lot near the Curtis Culwell Center where a provocative contest for cartoon depictions of the Prophet Muhammad was held (AP Photo/ LM Otero)
A Texas state trooper stands guard at a parking lot near the Curtis Culwell Center where a provocative contest for cartoon depictions of the Prophet Muhammad was held (AP Photo/ LM Otero)
An armed police officer stands guard on a road near the Curtis Culwell Center where a provocative contest for cartoon depictions of the Prophet Muhammad was held (AP Photo/ LM Otero)