Caroline Kacena lost her son John because of heroin. He died last year at the age of 20. Now she's on a mission to save other families. We spoke to her by phone about what other parents need to know. We also spoke with addiction expert and former addict Adi Jaffe.
For more conversations like this, watch Raising America every week day at 12 p.m. and 4 p.m. ET on HLN. And be sure to tweet your thoughts to @KyraHLN with the #RaisingAmerica hashtag or join the conversation on Facebook.com.