Immunity agreement Clinton Email investigation.
https://aclj.org/government-corruption/aclj-obtains-obama-dojs-immunity-agreements-with-hillary-clinton-lawyers-cheryl-mills-and-heather-samuelson-to-dispose-of-evidence-and-refuse-to-comply-with-federal-law
http://media.aclj.org/pdf/cheryl_mills_production.pdf