Criminal Law Questions? Ask a Criminal Lawyer.
Hi - my name is XXXXX XXXXX I'm a Criminal Law litigation attorney.
You can file charges against him for telephone harassment and also seek a restraining order against him in order to stop any contact from him - including telephone calls, emails, personal contact, etc.
You can also file trespassing charges - and possibly even breaking and entering charges for coming into your house.
These charges should also help you with any custody battle that you may encounter.