olivia iannelli is one of the first members of the digital verification corps. ivia: so it's given back the power to the citizens on the ground and it's kind of now a means of defense. so many people can now turn to their mobile phones, start recording, and gather evidence. reporter: the goal is to verify this evidence, where and when it was recorded. the digital detectives look at all sorts of information, like the weather and position of the sun. these pictures from the internet could verify or debunk a story. olivia: digital images can actually give us evidence to hold states to account, so we can hold these people to account just through a youtube video. reporter: like this video, for example, of an alleged libyan war criminal. it's with the help of such recordings that the international criminal court in the hague has issued an arrest warrant against the man. the court uses technology to investigate remotely. madeleine: it's a great opportunity for us, because suddenly there's this wealth of information out there. not all of it's going to be relevant, but th