Police Firearms Officers Association (PFOA)
The PFOA provides support all those involved in firearms operations, and their families.
It is managed by serving and retired police officers with many years experience in this field.
National Institute For Justice (NIJ)
NIJ is the research, development and evaluation agency of the U.S. Department of Justice.
It is dedicated to improving knowledge and understanding of crime and justice issues through science. NIJ provides objective and independent knowledge and tools to reduce crime and promote justice, particularly at the state and local levels.
The Home Office is the government department responsible for immigration, counter-terrorism, police, drugs policy, and related science and research.