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A total of 13 Queens residents face drug charges after allegedly selling crack, heroin, cocaine and other drugs to undercover officers 34 times in a 10-month period, prosecutors announced.

According to Queens District Attorney Richard A. Brown, on Oct. 13, police executed seven court-authorized search warrants on cars and residences in Jamaica, Queens Village, Hollis and South Richmond Hill. The raids and subsequent arrests were the culmination of a year-long investigation by authorities and undercover officers.

During the search of a 99th Avenue home — owned by defendant Trevor Henry, 35 — authorities allegedly seized a money counter, scale with heroin residue, a Bloods street gang book, an electric stun gun, a ledger and nearly $3,000 in cash.

In Henry’s vehicle, police allegedly found a loaded .40 caliber Smith & Wesson firearm that was reported stolen from a Georgia law enforcement officer in January 2016.

During the morning raids, authorities allegedly recovered heroin, marijuana, cocaine, crack cocaine, alprazolam pills, zolpidem pills, MDMA, two air pistols, cash and drug paraphernalia.

A total of 13 individuals from Queens were arrested by authorities on Oct. 13 and 18.

Trevor Henry , 35, of 99th Avenue

, 35, of 99th Avenue Shailendra Mangaroo , 37, Lefferts Boulevard

, 37, Lefferts Boulevard Roopchan Mangaroo , 60, Lefferts Boulevard

, 60, Lefferts Boulevard Mariss Masih , 27, 90th Avenue

, 27, 90th Avenue Eric Ranglall , 22, 90th Avenue

, 22, 90th Avenue Patrick Diaz , 27, 138th Place

, 27, 138th Place Jason Noriega , 38, 138th Place

, 38, 138th Place Amanda Singer , 27, 85th Avenue

, 27, 85th Avenue Daianand Ramroop , 27, Ransom Street

, 27, Ransom Street Ravindha Ramroop , 26, Ransom Street

, 26, Ransom Street Donna Costello , 22, Ransom Street

, 22, Ransom Street Jeffrey Rosa , 26, 138th Place

, 26, 138th Place Alex Padilla, 29, 90th Avenue

In a 10-month investigation conducted by the NYPD’s Tactical Narcotics Team, uncover detectives allegedly purchased narcotics on at least 34 different occasions between December 2016 and September 2017. It is also alleged that undercover detectives engaged in multiple drug-related conversations with defendants Henry, Masih, Ranglall, Padilla, Daianand Ramroop and Ravindha Ramroop.

During these meetings, cash was allegedly exchanged for cocaine, marijuana and heroin — some containing Fentanyl, a synthetic opioid pain medication with a rapid onset that has been linked to the recent spike in overdose deaths.

If convicted, each defendant faces between nine and 24 years in prison.

“My office will continue to aggressively track down those who make it their business to traffic in drugs in Queens County,” Brown said.