Complete scholarly research using empirical case studies to describe top-down and bottom-up approaches to communication within law enforcement organizations. Please include three to five resources that includes the following:

1. A thorough discussion of top-down and bottom-up communication styles in law enforcement
2. A compare/contrast of both approaches
3. Application of both styles of communication through relevant examples
4. A conclusion that incorporates a discussion of the writer's opinion on the pros and cons of each approach