NEW YORK (CBSNewYork) — Investigators are looking to question a man in connection to the murder investigation of a Bronx teen police say was slain by a machete-wielding gang in June.

Police are looking to speak with 20-year-old Frederick Then in connection to the heinous crime that shocked the city and garnered national attention over the summer.

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Frederick Then, 20 (credit: NYPD)

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So far, 13 people have been arrested in the murder of Lesandro “Junior” Guzman-Feliz.

On June 20th, Junior was dragged out of a Belmont bodega and murder by several alleged gang members in what investigators say was a deadly case of mistaken identity.

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The NYPD says the suspects are members of the Trinitarios gang and wrongly targeted Guzman-Feliz, who police say had no connection to gang activity. He was in the NYPD’s Explorers program for aspiring young officers.