Jin, the tech and surveillance expert on “Chicago P.D.,” was killed off at the end of the first season. His death was revealed to be a murder orchestrated by the corrupt Commander Perry, who was working with the Internal Affairs department.
In the show, Sheldon Jin, played by Archie Kao, was a part of the Intelligence Unit led by Sergeant Hank Voight. Throughout the first season, Jin is seen as a reliable member of the team, handling all the technical aspects of their investigations. However, as the season progresses, it becomes apparent that Jin is being coerced by Internal Affairs to provide information on Voight’s potentially dirty dealings.
The tension around Jin’s situation escalates, and in the season finale, his body is discovered in the final moments of the episode, signaling a grim end to his character. It is later uncovered that Commander Perry was the one pulling the strings, using Jin to get to Voight and when Jin tried to extricate himself from this dangerous situation, Perry saw him as a liability. The murder of Jin serves as a catalyst for the second season, impacting the dynamics within the Intelligence Unit and reinforcing the themes of loyalty and corruption that are central to the series. Jin’s death is avenged when Voight eventually confronts Perry, leading to Perry’s arrest and subsequent imprisonment.