Whats wrong with it? It doesn't appear to work.
California has some of the most stringent gun control laws in the USA...
Kelly Elementary School - Carlsbad, CA (Oct 8, 2010)
2011 Seal Beach shooting (October 12, 2011)
Southern California Edison shooting (16 December 2011)
Oikos University shooting (April 2, 2012)
2012 Anaheim, California police shooting and protests (July 2, 2012)
USC (Oct 31, 2012)
Taft Union High School - Taft, CA (January 7, 2013)
Christopher Dorner shootings and manhunt (February 3, 2013)
2013 Santa Monica shooting (June 7, 2013)
Edison High School - Fresno (Dec 19. 2013)
Los Angeles Valley College (January 25, 2014)
USC (February 12, 2014)
Kennedy High School - Richmond, CA (May 14, 2014)
2014 Isla Vista killings (May 23, 2014)
Sacramento City College (Sept 3, 2015)
2015 San Bernardino attack (Dec 2 2015)
UCLA Shooting (June 1, 2016)
June Jordan High School - San Francisco (October 18, 2016)
King City High School - King City, CA (March 21, 2017)
North Park Elementary School shooting - San Bernardino (April 10, 2017)
Rancho Tehama Reserve shootings (November 13-14, 2017)
Sal Castro Middle School - Los Angeles (Feb 1, 2018)
Seaside High School - Seaside, CA (March 13, 2018)
Highland High School - Palmdale, CA (May 11, 2018)
Balboa High School - San Francisco, California (August 30, 2018)
Thousand Oaks Borderline Bar and Grill shooting (November 8, 2018)
Then you have the Google shooting, Walmart Shooting and how many other shootings in businesses?