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![A Mother Grieves for Her Son: February 24, 2014.](https://images.squarespace-cdn.com/content/v1/5663910be4b00c1d30b07524/1459390271550-YRGAURHTXHX8L8U9P96O/amothergrievesThumbLQ.gif)
Witness is a series of computer animations derived from applying Matchmoving and Motion Tracking techniques to found newsclips. It is fundamentally an effort in extending the notion of observation by re-interpreting the events depicted, as an active viewer, by means of machine vision.