Mindich attended a conference in December 2011 , where the Mayor of Newark ( NJ ) Cory Booker , was discussing the illegal gun violence affecting his city . Mindich spoke with Mr. Booker , who had attended Yale Law School with Mindich 's husband , about Newark 's gun buyback program . Together , they drew a connection to her work designing jewelry as a fundraising tool and the partnership began between the city and police department of Newark and Jewelry for a Cause . In 2012 , Mindich launched the Caliber Collection jewelry line two weeks before the Sandy Hook Elementary School shooting in Newtown , CT
Sandy Hook Elementary School shooting
Sandy Hook Elementary School shooting
Jewelry for a Cause