take advantage now. philando , walter scott. some black men killed during traffic stops. black drivers are twice as likely to be pulled over and twice as likely for white drivers to be searched. now cnn sara sidner has been investigating the traffic stops and how dangerous they can be. here is some of her reporting. this is the case of stephanie of stephanie bottom. >> of the of two of them grabbed my hair and threw me on the ground. >> by your hair? >> both my arms and my hair. >> reporter: at this point, the officers are trying to get