my name is damon g. tynerce, tyner lays out the case of an elaborate and secret double life that dr. jim kauffman was leading. treating patients by day, writing fraudulent opioid prescriptions for those pagans by night. >> they would come in and be patients, and all of a sudden, you had a prominent endocrinologist that was prescribing opioids and all kinds of other painkillers. when that wasn't quite his practice. >> he's got the power of the prescription, and they've got the gang activity. >> essentially, they were flooding the market with opioids and selling them at a marked up price. >> what a bombshell. this straight-laced doctor that everyone had respected was part of a pill mill, a drug ring? not outlaw motorcycle gang? and april kauffman found out. >> found out and, according to tyner, threatened to expose his secret, seedy double life. >> he started thinking about ways to engage his exit strategy. >> to get rid of her? >> to get rid of her. >> for the past five and a half years, since april kauffman wa