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A proposed law for New York state would require parents to give their children drug tests.
State politician Joe Saladino says it would help parents know if their teenagers have a problem.
"It's a simple test done in the privacy of your own home," he said, "and only your parents would see the results."
Under the proposal, teens who weren't tested could be banned from attending school.
Supporters are dubbing the plans 'Jonny's Law' after Jonathan Sieczkowski, 22, who died of a heroin overdose two years ago.
"He was a great kid," said Jonathan's sister Cheryl, "and very, very, very loving."
'Out of control'
Newsbeat spoke to Cheryl as she flicked through old family photos with her sister Andrea and her mum Sharon.
Sharon recalls a conversation with Mr Saladino, a Republican New York state assembly member, at Jonathan's funeral.
"He came over and asked me if there was anything he could do for me or my family," she said.
Her response: "Yes! Do something about these drugs. They are out of control! They are totally out of control."
Assemblyman Saladino says Jonathan belonged to a wealthy, supportive and loving family.
He says his death is proof that drug addiction "can happen to anyone, and it can happen to everyone."
Drug testing is part of a package of measures being put forward.
Other ideas include locked boxes to keep prescribed medications secure, and a working group of concerned parents, medics and officials.
Assemblyman Saladino says it's important to monitor people up to the age of 18 because parents still have power over their children at that age.
He says it isn't about invading a young person's privacy.
Jonathan Sieczkowski's family: Sharon Sieczkowski, Andrea Moran and Cheryl Sieczkowski
"We're watching you," he said, "not because we don't trust you, but because we love you very, very much."
But New Yorkers spoken to by Newsbeat weren't keen on the idea.
"If parents want to get their kids drug tested that's fine," said one, "but I don't think state law should require that".
Another asked: "What else is there going to be a law about - teenage sex? It's just weird."
It's still a long way from becoming law - but Assemblyman Saladino says it's about finding a problem while the drug user is still young enough for parents to act.
"People I grew up with," said Cheryl, "would be one person with their parents and a completely different person behind their backs.
"This would help parents get a glimpse of their children's real lives."
"If nothing else," added her older sister Andrea, "we're getting people to talk about it.
"If one child decides it's not worth it, then we won."
BBC Monday, 19 September 2011