The other day a customer asked us to examine a recoded video footage of a DVR as he suspected his guards had purchased a same DVR and recorded a section of 4 minutes video from one of his office's CCTV camera with a predetermined date and time, and later patched the video to his existing DVR.
We had watched the video footage, it is inconclusive.
I can not show you the video but that suspicious 4 minutes video footage from one of the DVR channel did look blur as compare to other video feeds and the stream was broken for 2-3 seconds at the beginning and at the end of the 4 minutes of recording.
An altered video footage can change a story completely as shown in the following 2 funny Star Wars videos, enjoy.
Tuesday, October 6, 2009
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