Was just doing a little digging on gun background checks and found this interesting:
https://www.criminalwatchdog.com/faq/background-checks-for-guns
History of Gun Background Checks
The Gun Control Act of 1968 was passed in response to the assassination of John F. Kennedy. This act prohibited certain people from buying guns, such as fugitives, people convicted of crimes that were punished by a prison sentence of a year or more, substance abusers, and people convicted of domestic violence crimes.
The 1968 act also required retailers and individuals selling firearms to obtain a Federal Firearms License (FFL) and meet certain requirements.
The Brady Handgun Violence Prevention Act (commonly known as the Brady Law) was later passed in 1993 after press secretary Jim Brady was shot during an assassination attempt on Ronald Reagan. The Brady Law requires all FFLs to run background checks on people purchasing guns, through the National Instant Criminal Background Check System (NICS).
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Seems that [they] used their assassination attempts to pass gun control laws. Shocker. Order out of chaos.