By my count, at least a dozen Trump associates or related individuals have agreed to cooperate with Mueller or other officials investigating Trump, including:

1. Paul Manafort
2. Michael Flynn
3. Rick Gates
4. George Papadopoulos
5. Michael Cohen
6. David Pecker
7. American Media, Inc.
8. Richard Pinedo
9. Sam Patten
10. Steve Bannon
11. George Nader
12. Jeffrey Yohai
13. Alex Van Der Zwann