He writes mainly about a local cop, Tommy O'Connor, but his story is interspersed with tangents on the town's history and various oddball local residents.
Tommy O'Connor is a cop in Chicago.
mnli hypothesis: Tommy O'Connor is a cop in Chicago. premise: He writes mainly about a local cop, Tommy O'Connor, but his story is interspersed with tangents on the town's history and various oddball local residents.