ICYMI: ‘Later, with Mo’Kelly’ Presents – Actor Merrick McCartha; best known for his roles in series like the CW’s ‘All American’ and Netflix's Unstable, joins the program to introduce his new role as ‘Los Angeles District Attorney, Grayson Valwell’ in the hit new Prime Video series ‘Countdown’…Created, written, and produced by Derek Haas (Chicago Med, Chicago P.D.); “Countdown follows the journey of an LAPD officer who joins a secret task force to investigate a suspicious murder but instead uncovers a sinister plot that requires the team to unite to save millions of people in the city” - on KFI AM 640…Live everywhere on the iHeartRadio app & YouTube @MrMoKelly