"A man scammed me on the internet then stopped payment on a $ 400 refund check to me. This was done in Florida. I am in Wisconsin. How can i get my money back? "

"A man scammed me on the internet then stopped payment on a $ 400 refund check to me. This was done in Florida. I am in Wisconsin. How can i get my money back? "

Report him to the Florida authorities for giving you a bad check.

Or sue him in Wisconsin small claims court. The biggest problem will be collecting.