Maureen "Mo" O'Grady is a Vice detective with the Mission Division of the Los Angeles Police Department. She is a corrupt detective and works for a ring of dirty cops controlled by retired detective Carl Nash.
She is an associate of Eddie Arceneaux, Nick Riley and Bernardo Piccinini.
Riley and O'Grady carry out the murder of Tony Allen on orders from Nash. O'Grady pretends to have broken down in order to cause Allen to stop his car, while Riley hides nearby. As Allen approaches O'Grady, Riley steps out and shoots him in the back of the head.
Riley and Piccinini are killed in a shoot out with detectives Harry Bosch and Jerry Edgar, while she was shot in the shoulder and was arrested. In the hospital room, she and her lawyer made a deal for her testifying about George Irving's murder, Nash and Veronica Allen.
Portrayal[]
O'Grady is played by guest star Leisha Hailey in the 2015 streaming series Bosch. She is a recurring character in the second season.