British man to testify against professor in Chicago stabbing

CHICAGO (AP) — A British man charged in the 2017 stabbing death of another man in Chicago has pleaded guilty in a deal that calls for him to testify against a former Northwestern University professor also charged in the killing in exchange for a 45-year-prison sentence.
Oxford University employee Andrew Warren was scheduled to go on trial next week but attorneys announced at a Monday court hearing that he has agreed to testify against Wyndham Lathem.
Police launched a manhunt for the pair