Quick takeaways

• The podcast episode raises concerns about the unethical data collection practices of Alfonse Berteillon, who collected data without people's consent, including using family members and colleagues, which has implications for the use of data, like face recognition, in law enforcement.

• Berteillon's work on identification systems, including mandating ID cards for the homeless in Paris, had a significant impact on the widespread use of mandatory IDs, despite criticism of his methods and biases.

Deep dives