Ramel Warner, who goes by the nickname "Menah" was indicted last month for allegedly raping a child he was babysitting in 2022.
He's accused of recording six videos of the sexual abuse which were distributed on the dark web.
According to court filings, he had access to children including in schools and had previously worked with an after-school program in Brooklyn.
At the time of his arrest, he was also involved in a dance group for children at a Brooklyn middle school.
The FBI is asking parents or guardians, possible victims, or anyone with information about sexual exploitation by Warner should contact the FBI at RWarnerCase@fbi.gov.
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