Dad's X account was hacked (100k+ followers)

Hey - fellow SWE here looking for some inside help. My dad is a public figure (he’s famous) and his X account with over 100k followers has been hacked. They logged in and changed the associated email. Automated support for this is useless and doesn’t work for cases where they change the email.

He can manually verify his identity on a video call, with government ID, etc. Would super appreciate any help with this from anyone at X - as their support department probably doesn’t exist.

Thanks in advance!