Now, we've all heard of Facebook, but have you heard of FaceWatch? Thames Valley Police is using a new mobile phone app in a bid to use cyberspace to fight crime across the region. And, as Cary Johnston reports, it's already been more than a virtual success.
Thames Valley Police are using a new phone app to help them tackle crime.
Officers will post photos or e-fits of people they want to speak to on Facewatch and encourage people to share them on social media.