Informative locations for learning about the Bloods, such as how to identify members and avoid involvement, are the Department of Justice website, FBI.gov and ViolencePreventionInstitute.com. The DOJ features a comprehensive list of street gangs, including the Bloods, with information about their culture and the criminal activities they are involved in.
According to the FBI, as of 2014, approximately 33,000 criminally active gangs currently exist in the United States. These gangs are a variety of prison, motorcycle and street gangs, and their combined membership totals roughly 1.4 million people. In 2011, the National Gang Threat Assessment attributed an average of 48 percent of violent crimes to gangs in a majority of jurisdictions, with some seeing nearly 90 percent.