Gangsters: America's Most Evil is a cinematic documentary series that explores the rise and fall of some of the most nefarious and notorious criminals brought to justice by the United States... Read allGangsters: America's Most Evil is a cinematic documentary series that explores the rise and fall of some of the most nefarious and notorious criminals brought to justice by the United States government.Gangsters: America's Most Evil is a cinematic documentary series that explores the rise and fall of some of the most nefarious and notorious criminals brought to justice by the United States government.