Oklahoma House Passes 'Leo's Law' to Protect Children from Fentanyl

The proposed legislation aims to ensure children return to fentanyl-free environments after DHS involvement.

Mar. 27, 2026 at 3:04am

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The Oklahoma House of Representatives has passed House Bill 4421, known as 'Leo's Law', which would require fentanyl testing in certain cases involving families under the supervision of the Oklahoma Department of Human Services. The law is named after 3-year-old Leonardo Towe, who died after exposure to the powerful synthetic opioid fentanyl. Supporters say the bill is a critical step to protect children from accidental fentanyl exposure and prevent other families from experiencing similar loss.

Why it matters

Fentanyl exposure poses serious risks to children, as even small amounts can be deadly. The issue has become a growing problem nationwide, and this legislation aims to address it in Oklahoma by ensuring children return to safe, drug-free environments after DHS involvement.

The details

House Bill 4421, known as 'Leo's Law', would require fentanyl testing in certain cases involving families under the supervision of the Oklahoma Department of Human Services. The goal is to ensure children return to clean, fentanyl-free environments. Lawmakers say fentanyl residue can remain in homes and pose serious risks to children through skin contact or exposure.

  • On March 27, 2026, the Oklahoma House of Representatives passed House Bill 4421, also known as 'Leo's Law'.

The players

House Bill 4421

Also known as 'Leo's Law', the proposed legislation would require fentanyl testing in certain cases involving families under the supervision of the Oklahoma Department of Human Services.

Leonardo 'Leo' Towe

A 3-year-old boy who died after exposure to fentanyl, a powerful synthetic opioid. The law is named after him.

Jacob Towe

Leo's father, who has been advocating for the bill for over a year.

Caden Hill

An individual who lost his mother to fentanyl poisoning when he was 13 years old, and supports 'Leo's Law' as a form of justice.

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What they’re saying

“This ensures that a child who returns, returns to a clean, fentanyl free environment.”

— Rep. Melissa Provenzano, State Representative

“It was like a wave of relief. As soon as I heard that it passed and I saw the board lighting up green, it was just amazing because I know it's needed.”

— Jacob Towe, Leo's father

“Even though I can't have justice brought to my mother, this is another form of justice for me. I would be honored to work with Jacob.”

— Caden Hill

What’s next

Leo's Law must now pass the Oklahoma Senate and be signed by the governor before it can become law. Supporters say they hope its passage will save lives and prevent other families from enduring the same heartbreak.

The takeaway

This legislation highlights the growing nationwide issue of fentanyl exposure, which can have devastating consequences for children. By ensuring children return to safe, drug-free environments, 'Leo's Law' aims to protect vulnerable youth and prevent future tragedies like the one that took the life of 3-year-old Leonardo Towe.