The day after Epstein’s death, U.S. Attorney Geoffrey Berman of the SDNY opened a Grand Jury proceeding and subpoenaed 4Chan, Apple, AT&T and Citibank for records aiming to uncover Grijalva’s identity following the anonymous 4Chan post.

I’m not completely convinced, but this alone would be pretty extreme if they just thought he was a 4Chan shitposter.