A security guard at Queens College was indicted by a grand jury along with his co-defendant for selling 38 illegal firearms to undercover officers in Queens and the Bronx.
The security guard, Ncodjigui Sanogo, 29, of Harlem, and Mouhamadou Sylla, 25, of West Harlem, are variously charged in a 131-count indictment with conspiracy, criminal sale of a firearm, weapon possession and other crimes for selling illegal guns during a long-term undercover investigation. One firearm sale took place outside the entrance of a Queens College building while Sanogo was in uniform and on duty as a security guard on campus during the transaction.
The defendants were arraigned April 21 before Queens Supreme Court Justice Toni Cimino who remanded them into custody without bail.
According to the indictment and investigation, in April 2025 the NYPD Firearms Suppression Division and the Queens District Attorney’s office began an undercover investigation into illegal gun sales in New York City.
On June 10, 2025, at approximately 3:30 p.m., Sylla and Sanogo allegedly sold a loaded and operable .38 caliber Titan Tiger revolver to an undercover officer for $1,250. The sale took place on Kissena Boulevard outside a building at Queens College where Sanogo was employed by a private company as a security guard at the school.
He was on duty and in uniform during the sale and re-entered Kissena Hall after the transaction.
Sylla then allegedly sold two guns to an undercover officer in a College Point parking lot on June 17, 2025, at approximately 1:45 p.m., and one gun on July 2, 2025, at approximately 7:40 p.m. One gun was sold to an undercover officer on June 19, 2025, at approximately 3:40 p.m., in the Melrose section of the Bronx.
Twelve gun sales occurred on a Woodhaven street bordering Forest Park from August 28, 2025, through April 8, 2026. Sylla drove a 2022 Kia sedan to the transactions and allegedly sold the guns for approximately $1,200 each. Sanogo allegedly served as a courier in three of the 16 transactions.
Of the 38 guns sold in the investigation, two were reported stolen in Maryland and Pennsylvania. Another handgun acquired during the investigation is connected to multiple shootings in Newark, New Jersey. Most of the guns sold to the undercover officers were loaded and the purchases included a machine gun and 9 mm pistols.
“Getting guns off the street has to be our priority. These are 38 guns that will never be fired in our communities,” Queens District Attorney Melinda Katz said. “One defendant went as far as selling a loaded .38-caliber revolver while working in uniform as a security guard on the Queens College campus. I thank the brave undercover NYPD officers who put themselves in harm’s way to get these deadly weapons off the street and I commend the
prosecutors in my Violent Criminal Enterprises Bureau for their work on this investigation.”
Sylla was apprehended in Queens and Sanogo in Manhattan on April 21 by members of the Firearms Suppression Section of the NYPD.
“The defendants in this case created a firearms trafficking operation to funnel dozens of dangerous weapons into our city, including untraceable ghost guns, a TEC-9, and a semiautomatic Glock conversion device,” NYPD Commissioner Jessica Tisch said. “Thanks to our 13-month undercover investigation, the NYPD has taken 38 illegal firearms out of circulation. Large-scale seizures of this kind demonstrate the NYPD’s precision-policing plan in action, which has helped to take nearly 1,500 guns off our streets so far this year.”
Justice Cimino ordered the defendants to return to court on June 9. If convicted, they face up to 25 years in prison.
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