Unmasking Puppeteers: Leveraging Biometric Leakage to Expose Impersonation in AI-Based Videoconferencing - Samadi Vahdati, Danial; Nguyen, Tai; Prashnani, Ekta; Nagano, Koki; luebke, david; Gallo, Orazio; Stamm, Matthew (Advances in Neural Information Processing Systems, 2025)