Original sentence: After his sons death he got a job in the FBI, he joined the Criminal Investigations Division.Doggett is a FBI special agent who makes his first appearance in the 2000 episode "Within".Later he started to work with the New York Police Department, he was eventually promoted to the rank of detective.Skinner is a FBI assistant director who served in the United States Marine Corps during the Vietnam War were he once killed a boy, this episode scarred Skinner for life.Skinner is the direct supervisor of Special agents Mulder and Scully and the X-Files office
Edited sentence: After his sons death he got himself a job in the FBI, he joined the Criminal Investigations Division.Doggett is a FBI special agent who made his first appearance in the 2000 episode "Within".Later he started a carrier in law enforcement.Skinner is an FBI Assistant Director who served in the United States Marine Corps during the Vietnam War were he once killed a boy, this episode scarred Skinner for life.Skinner is the direct supervisor of Special agents Mulder and Scully which includes the X-Files office