An app to record war crimes

Need to declare a tiny bit of an interest here, as I do some work for one of the following, but it's in tax, family and weights and measures law, so I've no direct link to a little bit of tech wizardry that might just bring war criminals to justice. LexisNexis and the International Bar Association have joined forces to fund and develop EyeWitness, a smartphone app that allows witnesses to record atrocities. The recordings are masked from the prying eyes of state agents of nasties with guns who might see the phone user filming them, and stamped with authentication meta data that should allow for the recording to be adduced as evidence in court. It's not every Monday morning that the world of legal publishing feels this good to work in...