It happens with regular cab companies too:<p><a href="http:&#x2F;&#x2F;www.khou.com&#x2F;story&#x2F;news&#x2F;2014&#x2F;07&#x2F;18&#x2F;11680790&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.khou.com&#x2F;story&#x2F;news&#x2F;2014&#x2F;07&#x2F;18&#x2F;11680790&#x2F;</a><p><a href="http:&#x2F;&#x2F;www.nydailynews.com&#x2F;new-york&#x2F;nyc-crime&#x2F;exclusive-brooklyn-woman-recounts-traumatic-rape-taxi-article-1.2101285" rel="nofollow">http:&#x2F;&#x2F;www.nydailynews.com&#x2F;new-york&#x2F;nyc-crime&#x2F;exclusive-broo...</a><p><a href="http:&#x2F;&#x2F;www.nola.com&#x2F;crime&#x2F;index.ssf&#x2F;2015&#x2F;07&#x2F;former_yellow_cab_driver_sente.html" rel="nofollow">http:&#x2F;&#x2F;www.nola.com&#x2F;crime&#x2F;index.ssf&#x2F;2015&#x2F;07&#x2F;former_yellow_ca...</a><p>AFAIK, Uber does do a background check for drivers in the US.