The reason why Localbitcoins is shutting down, because it receive so many complains, because they steal the Bitcoins of some of their costumers. They are too busy with deleting complains in their comments.
If what you Claim is true then you should proceed to create a scam accusation thread or probably edit this one and use the proper scam report format. Check out this thread for the format:
Scam Report Format (Use it to make scam reports properly)I don't know if they really scammed you or not but you should provide more evidence and that should help those who are using or who planned on using it to know what to do next.