he had been caught in a drug sting spearheaded by the hard-nosed prosecutor larry beaumont. >> we called it operation snowplow. >> and in court, beaumont showed keen no mercy. >> he was coming at you with everything. >> he was bull dog. >> jimmy was convicted and slapped with a ten year sentence. >> it was pretty successful and i knew he didn't expect to get ten years in that case. >> your father was in the courtroom. >> i knew i had let him down in probably one of the biggest ways you could let somebody down. >> his future was bleak. he faced ten years away from his glamorous life. the fancy cars. the big bucks. but in 1998, when all hope seemed lost, his own nemesis, beaumont, came to him with an offer of freedom, attached to the accordion file he slid across the table. in return, keen would have to agree to risk everything and become an undercover infect in one of the roughest prisons in the country. the maximum security lockup in springfield, missouri. it was a psychiatric prison, with hard core killers and the criminally insane. >> these people all have life sentences. they are all