. >> reporter: at insys therapeutics, patty nixon says lying was part of the job. >> we're instructedwere calling from the physician's office that was treating that particular patient. >> reporter: even though you knew you were calling from the pharmaceutical company. >> correct. i was in a very small office in chandler, arizona, and i would call alaska and say i was from alaska. and sometimes i was from hawaii. i was from wherever the patient was from, and wherever the doctor was located. >> reporter: her role, she says, getting insurance companies to sign off on payments for subsys prescriptions. one part of a years-long scheme that cheated millions of dollars, including from medicare. the lies based on a script patty says that insys executives instructed her to follow, what they called the spiel. >> a lot of it was word games. when the insurance company would ask the question, does the patient have cancer with break through cancer pain, and when we would respond, we would say yes, we're treating the break through pain. so eliminating the word cancer. >> reporter: what's the most ha

fentanyl -- ♪ it's therapeutic >> reporter: this parody video is part of a federal racketeering trial. ♪ shout-out to what you created ♪ >> reporter: the founder of the drugmaker insysour executives accused of paying bribes and kickbacks to doctors, and urging them to up the doses, a process called hitration. ♪ hitration is not a problem ♪ ♪ i got new patients and i got a lot of them ♪ >> reporter: today the executive inside the dancing bottle, former vice president of sales alec burlakoff, testifying against his one-time colleagues. telling the court he followed directions to recruit and bribe doctors. burlakoff pleaded guilty to racketeering. lawyers for the executives deny all wrongdoing. an nbc news investigation last year revealed how bonuses were tied to the strength of prescriptions, with higher payouts for higher doses. former u.s. senator claire mccaskill investigated the opioid maker for two years. >> they're promoting it like it's a soft drink. this is not a soft drink. this is death. >> reporter: insys told nbc news the company in no way defends the past misconduct of former employees and is fully cooperating with the government. ♪ anne thompson, nbc new