As the United States grapples with the killing of Tyre Nichols, a 29-year-old black man who died after being beaten by five police officers in Memphis in January, Katie Stallard speaks to Neil Gross, a former police officer and professor of sociology at Colby College. They discuss what can be done to reform police forces in the US, what he learned from researching his forthcoming book Walk the Walk: How Three Police Chiefs Defied the Odds and Changed Cop Culture, and why there might be cause for hope.   Read more:   Everything we think about police reform is wrong George Floyd’s murder one year on: has the US changed? Patrick Hutchinson: “The death of George Floyd is one of the worst things I’ve ever seen” Hosted on Acast. See acast.com/privacy for more information.