Omar Serushago was born on 24th April 1961 in the Rubavu commune in Rwanda. As onen of the five Heads of Interahamwe militia, he commanded some of the groups who were the most committed in slaughtering civilians in the district of Gisenyi between April and July 1994. With the help of his troops he criss-crossed the city of Gisenyi in search of Tutsis and moderate Hutus. The people who were captured were either killed on the spot or taken away to the locality of the "Red Commune" where they were executed.
Between April and June 1994, Omar Serushago participated in several attacks against people who had taken refuge in the Nyundo Parish. About 300 people were forced to leave, were paraded in the city of Gisenyi before being executed at the "Red District" by militiamen.
Furthermore, on 20th April 1994, Omar Serushago participated in the kidnapping of about 20 Tutsis who had taken refuge in the house of Bishop Aloys Bigirumwani. On 30th April 1994, he also arrested 4 civilians who had taken refuge with the Rwandex Company. Around the same time, he also went to the Gisenyi military camp to look for Tutsis and moderate Hutus who were held at the Police force Brigade. All these people have been executed at the "Red District". Omar Serushago himself killed four of them.
Omar Serushago gave himself up voluntarily to the Ivorian authorities on 9th June 1998. On 30th June 1998 he was transferred to the penal quarter of the Court.