#SandraBland dash-cam vid shows an unidentified woman stopped for speeding & no insurance B4 #SandraBland - & let go. pic.twitter.com/olyKDmd3GZ

— Pin Head (@TomAdelsbach) July 22, 2015

I mentioned this yesterday when I posted the tweet with the link to the video.
The differences in how he conducted the two traffic stops are astounding. First weird thing I noticed about Sandra’s stop is that he first went to her passenger window. That was really odd.