https://www.vanityfair.com/hollywood/2017/11/corey-feldman-movie-campaign-interview

From the article:

"He plans to name six people: three who abused him and three others who are connected to them."

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He's already named two of the three he says personally abused him (Jon Grissom, Marty Weiss).

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His clues to the third abuser:

"There’s also another person who molested Feldman, he says, who is “linked to another person that was very much a big part of the studio. That person is now dead.” Those two people, Feldman claims, “pretended to be father and son,” but were actually lovers."