 He admits that he has been cooperating with a Justice Department investigation into Burgerville's financial practices, and has been granted immunity from prosecution while testifying about the financial misdeeds Lorber committed.When asked if Lorber had any enemies, Cahill tells them to check out Lorber's wife Veronica.On their way down, Monk tests a shredder in Lorber's office, and determines that the shredded document found on Lorber's desk came from Cahill's shredder, indicating that Cahill is lying and also is part of the embezzlement scheme.