There's almost nothing on file about them. Almost everything I know is from a Tiktoker named Reb Masel.

She said the usual Postal Inspector story is like, "My local police wouldn't do anything when my boyfriend was sending me threatening letters. I told the Postal Inspectors about it. They called me within 12 hours, filed an airtight Federal case against him within 24 hours, and sent me a 12 page report of their findings by the end of that week."