H 4640

As introduced: - Prohibits public agencies and law enforcement from acquiring or using biometric surveillance technology, but authorizes the state police to conduct facial recognition searches with a warrant, in an emergency involving immediate risk of death or serious injury, or to identify a deceased person. - Prohibits law enforcement from using biometric surveillance technology to analyze moving video or to infer a person's emotions. - Requires that a criminal defendant be notified if facial recognition was used in their identification and be provided with detailed information about the search technology and process.