Boston Marathon bombings suspect Tamerlan Tsarnaev and his brother, Dzhokhar Tsarnaev, didn’t use facial recognition technology to identify them. Facial recognition systems are of limited use when fed grainy, low-resolution images, captured at a distance, from a cellphone camera or surveillance video, as with the images captured before, during and after the violence unleashed at the 2013 Boston Marathon. The FBI expects to create a facial recognition system in 2014 for a consortium of police agencies in California and eight other Western states.”]
Source: https://nakedsecurity.sophos.com/2013/04/23/facial-recognition-identify-boston-bombing-suspects/