Jamie dies in the final episode of Top Boy Season 4. He is shot and killed by Sully after opening the door to him while at home with his brothers. This event happens off-screen but is confirmed in the season finale and subsequent discussions about the show

. To summarize:

• Jamie's death occurs at the end of Season 4.
• Sully kills Jamie by shooting him in cold blood.
• The motive is linked to Jamie's betrayal of Dushane and Sully by attempting a deal with a rival, Juan.
• Jamie's death profoundly impacts his younger brothers, Stefan and Aaron, who witness the trauma of losing their protector

Jamie does not appear in the final season (Season 5) except in mentions and flashbacks, confirming his death is permanent in the storyline