Congress has officially received the first batch of Jeffrey Epstein files. The Justice Department turned over a tranche of materials related to the case against the late, convicted sex offender Friday afternoon, according to a person aware of the development and granted anonymity to share private information.

Rep. James Comer said Monday that documents should start being turned over on Friday—though when they could be released to the public remains unclear.

The Justice Department is about to start handing over documents from the Jeffrey Epstein case to Congress, and lawmakers say they will eventually make them available to the public.