For making your team work together you should have positive leadership skills.
2) Communication Skills
A good FBI agent should know how to communicate with others just like everyone knows that communication is the key to understanding the emotions of others.
3) Self-Discipline
To become an FBI agent you should know how to control your emotions.
4) Adaptability
An FBI agent should have good adaptability skills to work in every environment without having problems. And know how to make others comfortable.
5) Collaboration
The main skill for becoming an FBI agent is to know how to collaborate and communicate with other team members and groups without facing and creating any problems.