it was fentanyl. >> reporter: how much did you use? >> very little. less than 0.1 gram. and i found out it was straight fentanyl. >> reporter: that is a tiny -- >> that is tinier than tiny. it is like barely a sprinkle of salt >> i want to welcome everybody tonight. >> reporter: social interaction important for the addicted, their families, too. jean butcher founded the kentucky chapter of parent of addicted loved ones and over the years they've had it all as they struggled to free their son matthew from opioids. >> well, send him somewhere and fix him. or fix her. it doesn't work like that. >> why don't they just stop? >> don't they know they can stop? >> you would think they'd know what they're doing to their children. >> but you see, drugs take over the brain. >> reporter: matthew's brother glen says there is no easy way to recover and money alone won't solve the problem of addiction. >> addiction isn't something you