Identity theft is not a pleasant event to think about, but one must take action immediately if it happens. Perhaps, one only suspects such, perhaps one was exposed to a data breach, or perhaps someone has personal information and tried to use it, go to identitytheft.gov immediately.
This is a user friendly site that identifies your personal situation and helps you setup a recovery plan. The following is a page from a brochure that might help.
Obviously, the guy was mentally ill. What was this swinger guy thinking what would happen when he pepper sprayed him.