Iran-Contra
Corr was investigated between 1986-1991 for possible involvement in the Iran-Contra scandal. Corr gave voluntary interviews to the Independent Counsel in 1991 before ending his cooperation and invoking his Fifth Amendment right against self-incrimination. Subsequently, a judicial order compelled Corr to testify and forced him to produce documents, under grants of immunity.
Read more about this topic: Edwin G. Corr