Amazon's AI software, previously used in UK underground train stations, scans faces of rail passengers at major stations to analyze demographics, emotions, and behavior.

Network Rail oversees the technology to improve safety by detecting trespassing, overcrowding, and potential criminal activity.

Despite assurances of enhanced security, concerns have been raised about privacy implications, including potential data misuse and targeted advertising based on passenger satisfaction.

Privacy advocates are calling for more transparency in AI surveillance applications to protect individual rights and prevent misuse.

Lawmakers, including Congressman Ted Lieu, are advocating for stricter oversight of facial recognition technology to ensure proper use and safeguard democratic values.