As part of a plea agreement Yannick Mulongo pled guilty today in a Portland courtroom to charges of manslaughter, aggravated assault and aggravated drunk driving in connection with the death of Guy Kitoko in 2009.

Mulongo was drunk and behind the wheel of a 2001 Ford Mustang in the early morning of Sept. 20 last year when he lost control of the car on Brighton Avenue in Portland, crossed the center line and struck an oncoming car.

Guy Kitoko, 18, a senior student and athlete at Deering High School, was riding with Mulongo in the front passenger seat. Kitoko died instantly.

Mulongo was sentenced to serve four years in prison. He was also given seven years probabtion, during which time he is not allowed to drive or possess alcohol.

Guy Kitoko’s brother and sister told Mulongo that his actions had changed their lives forever.