|Real Name:||Clay Maxwell|
|Affiliations:||Chicago Police Department|
|First appearance:||Ike Hanau|
|Portrayed by:||Mykelti Williamson|
Clay Maxwell is the former partner and ex-bestfriend of Captain Lou Grover. Grover suspects that Clay is responsible for the death of his wife upon discovering his year long affair.
Only mention of Clay Maxwell in Season 7 is Episode 21 where Captain Lou Grover goes back to Chicago with his son to testify against Clay.