In the months after the 2012 Sandy Hook Elementary School shooting, a number of gun violence prevention groups sprung into existence, vowing to fight for stronger gun control measures.

But five years after the devastating massacre in Newtown, Connecticut, the body count from mass shootings has only risen, and there has been no federal legislation passed that would tighten gun control laws and background checks.

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John Donohue, a professor at Stanford Law School, who has researched gun violence and gun control for 25 years put it this way: “The GOP is just completely sold on the NRA’s position.”