col·lu·sion
secret or illegal cooperation or conspiracy, especially in order to cheat or deceive others.

Example:Donna "The Good Christian Woman" Brazile providing debate questions in advance to Sec. Clinton.
Example: Meeting in private between Slick Willy and Loretta "Matters" Lynch.
Example: Debbie "The Bus Driver"  Wasserman Schultz slowing the bus long enough to roll Crazy Uncle Bernie under it.