Monday briefing: What a new Guardian podcast reveals about the US justice system

In today’s newsletter: Off Duty revisits the conviction of Alexander Villa, raising troubling questions about how it was built Good morning. On the evening of 29 December 2011, Clifton Lewis – an off-duty Chicago police officer working as a security guard at a minimart on the city’s west side – was shot dead during a robbery. The killing prompted a huge manhunt and an intensive investigation by the Chicago police department. Years later, prosecutors said they had their man, and in 2019 Alexander