. >> the president of the police union, robert kroll, has defended the officers in this case, and he's called the black lives matter movement a "terrorist organization." >> he and others are going to have to come to a reckoning that either they're going to be on the right side of history, or they're going to be on the wrong side of history. but, or, they will be left behin ( ticking ) >> what's the key to being a successful salesman in the pharmaceutical, especially the opioid end of the business? >> the key to success? the less of a conscience you had, the better. >> "60 minutes" spent a year investigating the playbook of sales practices that triggered an explosion of powerful, addictive opioid prescriptions. what we found was seedy and outrageous. >> i think sometimes white- collar criminals are more dangerous than violent criminals. ( ticking ) >> i'm lesley stahl. >> i'm bill whitaker. >> i'm anderson cooper. >> i'm jon wertheim. >> i'm scott pelley. those stories and more, tonight, on "60 minutes." ( ticking ) ♪just in case i see your face♪ ♪i may be acting crazy now it's getting