Purdue Pharma

Colorado sues an opioid manufacturer, the ACLU says the government suppressed pipeline protests, and India lets go of an outmoded gay sex ban.

• By Rebecca Worby

Twenty-six other states have already sued the company.

• By Rebecca Worby

OxyContin, designed for cancer pain relief, became the drug prescribed for back and tooth aches.

• By Daniel J. McGraw

How the American opiate epidemic was started by one pharmaceutical company.

• By Mike Mariani