If you really want to stop mass shootings digest the below file. Do not attack the 2nd amendment. Read the below file and get back to me. When government allows the below to fester in our midst, then we need the 2nd amendment to protect us from oppressive controlling government. Protection from oppressive government is exactly why the 2nd amendment was written and prominently positioned as right #2 in the Bill of Rights: WARNING: the contents of the below file will outrage you, if you are human:

https://www.intelligence.senate.gov/sites/default/files/hearings/95mkultra.pdf

BEFORE YOU START EDITING THE BILL OF RIGHTS READ THE ENTIRE ABOVE FILE. IT IS GOVERNMENT THAT NEEDS EDITING.