Nicole Hockley, from left, stands next to Jennifer Hensel and husband Jeremy Richman at a Sandy Hook Promise news conference in San Francisco, . Families of children killed in the Sandy Hook Elementary School shooting on Dec.14, 2012, in Newton, Conn., joined San Francisco Bay Area families of shooting victims and technology and political leaders to announce the Sandy Hook Promise Innovation Initiative, an initiative to prevent future gun violence. Hockley’s son Dylan and Hensel’s and Richman’s daughter Avielle Richman were killed in the Sandy Hook Elementary School shooting
Sandy Hook Promise Innovation Initiative, San Francisco, USA