You can still notify law enforcement, and I still think you should do so. The fact of your ex being a cop should not make a difference to them, but if he working in your local area, you can tell the intake people at the police department that he is your ex and you would prefer he not be involved in your case. You might also hire a private investigator. While some of them are dubious, there are respected firms who can investigate the problem.
Answered on Aug 11th, 2015 at 6:21 PM