Inside the drug company accused of putting profit over patients

An NBC News investigation reveals the disturbing tactics the company used to promote a powerful opioid drug. Sen. Claire McCaskill uncovered documents promising big bonuses to its sales team and paying doctors for speeches.

Watch TV shows, movies and more on Yahoo View.

About NBC Nightly News with Lester Holt

Watch "NBC Nightly News with Lester Holt," providing reports and analysis of the day's most newsworthy national and international events. See More

Check out more stuff on Yahoo View