FUN FACT: Federal officials who willfully and unlawfully conceal, remove, or destroy federal records can face up to three years in prison under 18 U.S.C. § 2071(b).
There is a panic at DHS HQ right now; shredders are likely being run around the clock; emails deleted; video records scrubbed; and hasty contracts signed. They've got a lot of money to get to their friends, and a lot of misconduct to hide. Draft the subpoenas now.