McNulty, Bunk, Freamon...Heaton.

It played its part against the Barksdale operation in Baltimore. Now it seems an undercover wire may have helped bring down GOP rep and Abramoff flunky Bob Ney. "'Heaton's substantial assistance in the investigation and prosecution of Ney was critical to Ney's decision to admit his involvement in the corrupt relationship with Abramoff,' Butler wrote. 'The tapes made by Heaton captured important circumstantial evidence that statements Ney had made to others about matters material to the investigation were false or intentionally misleading.'"