Families United for Justice is a network of families impacted by police murder. Established in 2014 during the Cost Of Injustice events, FU4J is a network of impacted families of police murder from all over the United States dedicated to providing support and services to newly impacted families and family-led organization seeking assistance in healing, organizing, justice, and working to redress the causes of an unjustified police shooting. Currently, FU4J Network registration consists of more than 300 U.S. based impacted families and family-led organizations. The majority of the Network members are based in the United States and are mainly focused on criminal justice reform. The Network also includes non-U.S. impacted families and family-led organizations. The Network maintains a leadership collective that strongly encourages the development of sister networks across the world, such as the United Families & Friends Campaign (UFFC), recognizing them as critically important partners for police accountability and transparency globally.