The way evidence usually works is that you present it. People look at the evidence and decide if it is credible. The people being interviewed on this video are giving first hand accounts of what happened. The Sony Ericcson Smart Phone created digital files that can be time-tagged and then visually compared to the scene of the crime. I am guessing that these videos will be used by our government to put together a precise timeline of what happened.
“Sean Smith, posted the following on an online gaming message board: assuming we dont die tonight. We saw one of our police that guard the compound taking pictures.”
That guy was all over the Arabic TV channels because the interviews are all over youtube in Arabic - he appears to be bagdad bob with a camera.