Nicole Hockley is continuing to lobby politicians in Washington for tighter gun control legislation in the US alongside fellow members of the Sandy Hook Promise group.

BBC: Dylan Hockley's parents back Hampshire Autistic Society

Ron Conway, a longtime investor in technology startups, who has contributed to the tech-backed Sandy Hook Promise, an agency founded by the community of Newtown, Conn.

WSJ: Playground Plan Shows Philanthropy's Swing Toward Home

Over the past 30 days we met with the community and together with 17 other amazing people, we created a new organization called the Sandy Hook Promise.

FORBES: Make the Sandy Hook Promise

From Governor Dannel Malloy to state lawmakers to the members of the Sandy Hook Promise, the entire state worked together to pass comprehensive legislation to reduce gun violence.

WHITEHOUSE: Our Top Stories