James Howard McGrath, J. Edgar Hoover testify on Capitol Hill about organized gambling

The video features top federal law enforcement officials discussing the Senate Crime Investigating Committee's probe into gambling. Attorney General J. Howard McGrath and FBI Chief J. Edgar Hoover oppose creating a federal police force, emphasizing that gambling is a significant crime issue. They argue that organized gambling is harmful, leading to other crimes like embezzlement and murder. However, they believe it can be controlled if existing laws are enforced. The officials stress the importance of public opinion and unity in combating crime, calling for a moral reawakening and dedication to law and order.

What role does public opinion play in combating organized crime as mentioned in the text?

What fundamental principles does the text suggest should be returned to in order to combat lawlessness?