Bill Peterson is a corrupt DEA agent in Season 7. He was Dennis Abbott's former boss from the time Abbott worked for the DEA.
Biography[]
At the start of Copper Bullet, it was shown that Bill was at Rio Bravo trying to find evidence to use against Dennis and to destroy Lena Abbott's career. Through the episode it was revealed that Bill used to skim money from low-level busts he used to accompany his guys with, with the episode ending in Michelle Vega recording his confession and attempt to bribe Dennis, his evidence going 'missing' and him having no case, all leading to his subsequent arrest.