The first thing you should do when you suspect your Facebook account has been hacked is to change your password and contact Facebook help center 1 (833) 611-4101.This step is crucial to regain control of your account, especially 1 (833) 611-4101 if the hacker hasn't already locked you out.
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212
https://www.devex.com/people/what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook-2439212