Hello,
Its my favorite job. I am working in IT field since 5 years with same type of case and work related to system security. I have professional level experience in doxing. Tell me what type of details you have. If you will provide me its skype ID only ... or social network or website link... i will able to tell you his whole history, with his house addres, with IP etc.
More discussion in pm.
Regards,
Ali Ahmer