How does tween-er die in prison break?

In "Prison Break," the character Tweener, played by John Patrick Amedori, is killed in Season 2. He dies in a confrontation with a group of inmates known as the "Company" while being transported to another prison. After being betrayed by a fellow inmate, he is attacked and ultimately killed off-screen, with the details revealed to the main characters later in the series. His death serves to illustrate the dangers and ruthless environment within the prison system.