New Haven Man Pleads Guilty to Federal Gun Charge in Drug Case
Harry Whitley, 23, arrested in Waterbury in November 2024 with fentanyl, cocaine, and a machine gun conversion device
PublishedApril 3, 2026
Authorities seized fentanyl, cocaine, and oxycodone, along with a Glock 17
New Haven Man Pleads Guilty to Federal Firearms Charge in Drug Trafficking Case
Harry Whitley, 23, of New Haven pleaded guilty on March 23, 2026, to possession of a firearm in furtherance of a drug trafficking crime, according to the U.S. Attorney's Office for the District of Connecticut. The charge carries a mandatory minimum sentence of five years in federal prison, to run consecutively with any other sentence. Whitley is scheduled to be sentenced on June 11, 2026.
Arrest and Evidence Seized in Waterbury
Whitley was arrested on November 4, 2024, in Waterbury after investigators observed him participating in a suspected drug transaction in New Haven. At the time of his arrest, he had an active state arrest warrant and was on probation.
Authorities seized fentanyl, cocaine, and oxycodone, along with a Glock 17 9mm semiautomatic pistol with an extended magazine and a Glock-style machine gun conversion device — commonly called a Glock switch. Under federal law, a Glock switch constitutes a machine gun, a separate aggravating factor in federal firearms cases.
Federal Charges and Plea
A federal grand jury indicted Whitley in March 2025 on five counts: possession with intent to distribute fentanyl, cocaine, and oxycodone; unlawful possession of a firearm by a felon; and possession of a firearm in furtherance of a drug trafficking crime. He initially pleaded not guilty. The March 23 guilty plea resolves the § 924(c) firearms count, which carries the mandatory consecutive five-year minimum.
Whitley has prior state felony convictions for firearm possession and larceny.
Investigating Agencies
The case was investigated by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Boston Field Division, the New Haven Police Department, and the Connecticut State Police. The investigation was announced by U.S. Attorney David X. Sullivan for the District of Connecticut.
ATF Special Agent in Charge James Ferguson, New Haven Acting Police Chief David Zannelli, and Connecticut State Police Colonel Daniel Loughman are among officials credited with the investigation. The case is part of ongoing federal-local coordination targeting drug trafficking and illegal firearms in southern Connecticut.
Context: Glock Switches in Federal Prosecutions
Glock switches — auto-sear devices that convert semiautomatic pistols into machine guns capable of firing continuously with a single trigger pull — have become an increasing focus of federal firearms prosecutions in Connecticut and nationally. Possession of an unregistered machine gun carries its own federal penalties, and when combined with drug trafficking charges, prosecutors regularly seek the mandatory consecutive sentencing provided under 18 U.S.C. § 924(c).
New Haven has seen multiple federal prosecutions involving Glock switches in recent years as part of ATF and U.S. Attorney task force operations targeting illegal weapons in the region.
