The robots stand about five feet tall and are only used for surveillance. They do not have the capability of apprehending someone. Instead, they send video feeds to an inside monitoring station where humans are watching.
The robots look rather "cute" and do not appear threatening in any way. Another company is also using these crime-fighting robots and the manufacturer says other companies will be getting them soon.
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Source: https://screen.yahoo.com/crime-fighting-robots-patrol-silicon-072000360.html
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Photo Credit: Unchanged; from https://www.flickr.com/photos/dickuhne/98772629
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Keywords: robots, patrol, Silicon Valley, crime-fighting