moment we have varying accounts of when this happened. but what we know is that two men in that time period pull up in a vehicle and shot a garland police officer that was outside the building. what was happening inside that building was a fair. now, the fair was showing artwork, illustrations of the prophet, muhammad and the name of that fair was the muhammad art exhibit and context. that's what happened. now, the two individuals that did drive up and shot that police officer were then shot and killed themselves. we don't know who they are. we don't know where they are from, or what their motive was. that information we don't have at the moment. what we can say is that police are confirming that those two men have been shot and killed, and that those two men did shoot a police officer from that area. that's what we know at this hour. let's bring in cliff van zant,