Machine Bias for ProPublica

Portraits of Paul Zilly for ProPublica's Machine Bias investigation. Across the country software is being used to project recidivism rates of criminals. Zilly, who was convicted of stealing a lawnmower and tools, scored as a "high risk" offender and saw his prison sentence double in length. He successfully appealed his case and now lives with his mother in Northern Wisconsin.

Check out the story on