Warning: Contains Spoilers for the FBI: International season 4 premiere.

Following the exit of Luke Kleintank's Scott Forrester, FBI: International has a new Fly Team leader. Jesse Lee Soffer, formerly known for playing Jay Halstead in Chicago P.D., returns to the Dick Wolf universe as Supervisory Special Agent Wes Mitchell. The premiere is titled "A Leader, Not a Tourist" and sees Wes work alongside the team after his partner, Mike, is shot in the field. While new to the series, Soffer's character served as Vo's training agent, creating a pre-established connection between the characters.

Mike succumbs to his injuries in the hospital, which further motivates Wes to find his killer and bring him to justice. Soffer shares that the heartbreaking death catches his character off-guard in season 4, pushing Wes to accept the Fly Team position and throw himself into the new job. Despite the loss of several significant relationships,...