Bronte Velez, co-founder of Lead to Life, is photographed with guns obtained in a buyback program at her home in Oakland, Calif., on Tuesday, March 20, 2018. Velez and Kyle Lemie will be in Atlanta on April 6-8, the weekend of the 50th anniversary of the assassination of Martin Luther King, to to meet with King's daughter Bernice King and hold an &quot;alchemy ceremony,&quot; where they will finish turning 50 weapons into 50 shovels. They will then use the shovels to plant trees. (Jane Tyska/Bay Area News Group)