From Reddit and YouTube to collector forums and live auctions, the avenues through which cultural heritage can be bought and sold are rapidly growing alongside new digital technologies. Considering anew the implications of this digital expansion for the online trafficking of cultural property and human remains, Investigating Online Heritage Crime conducts an exacting examination of these relatively under-researched "sites" of heritage crime. The chapters address how networks operate within and because of the interconnected social media and e-commerce landscape. Through doing so, this volume highlights where markets for online heritage are headed, especially given the ever-prevalent adoption of AI and LLM (Large Language Models) technology that is profoundly reshaping all aspects of online life, including licit and illicit commerce.