I think we had a thread about these before"
http://fusion.net/story/27470/robot-security-guards-now-roll-among-us/ (http://fusion.net/story/27470/robot-security-guards-now-roll-among-us/)
(https://fusiondotnet.files.wordpress.com/2014/11/10653641_297063730503906_1528814843005369664_n-e1415981340269.jpg?w=560&h=420)