17-Year-Old Arrested for Illegal Firearm Possession in Derby Home

Police found the teen with a gun equipped with an extended magazine and automatic conversion device.

Apr. 17, 2026 at 5:49pm

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An extreme close-up photograph of a gun magazine with an extended capacity, lit by a harsh, direct camera flash against a pitch-black background, conceptually illustrating the dangers of illegal firearms.A recent arrest of a teenager with an illegal automatic weapon highlights the ongoing challenge of curbing gun violence in local communities.Derby Today

A 17-year-old was arrested in Derby, Connecticut after police executing a search warrant found the teen in possession of a gun with an extended magazine and automatic conversion device. The firearm was discovered during a SWAT team raid related to a separate firearms incident in the nearby town of Hamden.

Why it matters

This incident highlights ongoing concerns about illegal firearms, especially those with modifications that make them more dangerous, ending up in the hands of minors. It also raises questions about the prevalence of such weapons in residential neighborhoods and the effectiveness of law enforcement efforts to curb the spread of illegal guns.

The details

According to police, the Hamden Police Department SWAT team was executing a search warrant at a multi-family residence on Water Street in Derby when they discovered the 17-year-old in possession of the illegal firearm. The gun was equipped with an extended magazine and a conversion device that enabled it to fire in a fully automatic manner.

  • The incident occurred on Friday morning, April 17, 2026.

The players

Hamden Police Department

The local law enforcement agency that executed the search warrant leading to the discovery of the illegal firearm.

17-year-old

The minor who was found in possession of the gun with the extended magazine and automatic conversion device.

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What’s next

The 17-year-old has been charged with illegal possession of a machine gun and illegal possession of an extended magazine, and has been remanded to juvenile detention. Police are encouraging anyone with information about this incident or other firearms-related crimes to submit anonymous tips.

The takeaway

This case underscores the ongoing challenge of keeping illegal and dangerous firearms out of the hands of minors, and the need for continued vigilance and collaboration between law enforcement and the community to address the broader issue of gun violence.