With each bump of cocaine, pop of a pill or hit of heroin, drug users pull the trigger in an increasingly deadly game of Russian roulette. The bullet, a powerful synthetic opioid called fentanyl, is loaded into much of the illicit drug supply across South Carolina and the nation. That has led to an unprecedented surge in deadly overdoses. What to do if you suspect someone is overdosing? 1. Check for an opioid overdose. Signs include: unresponsiveness or unconsciousness; pinpoint pupils; snoring or gurgling; blue lips or fingernails; shallow, slowed or stopped breathing; and cold or clammy skin. 2. Dial...