Stop Facebook Harassment, Identify Culprit

A Facebook page has begun publishing inappropriate images aimed at my friend’s family. I have no administrator access to that page, yet I need the content taken down and the person behind it unmasked. The job covers two parallel tracks... (Budget: $10 - $50 USD, Jobs: Digital Forensics, Facebook API, Facebook Marketing, iPhone, Legal Research, Mobile App Development, OSINT, Python, Social Media Management, Swift)