Historically, two-factor authentication is not a new concept but its use has become far more prevalent with the digital age we now live in. As recently as February 2011 Google announced two factor authentication, online for their users, followed by MSN and Yahoo.
Body worn video (BWV), also known as body cameras, is a video recording system that is typically utilized by law enforcement to record their interactions with the public or gather video evidence at crime scenes, and has been known to increase both officer and citizen accountability.
NIJ is currently funding two studies on body-worn cameras: Research on the Impact of Technology on Policing Strategies. In 2013, NIJ funded CNA Corporation to examine the impact of body-worn cameras in the Las Vegas Metro Police Department.