Slovo Pachenko was the leader of the Aryan Brotherhood. He replaced Xander Grady as leader of the Aryan Brotherhood and Death Race driver. Warden Claire Hennessey hires him to kill Jensen Ames' wife and frame him for her murder. When Ames arrives in Terminal Island Penitentiary. Pachenko and his cronies immediately start trouble with Ames. Calling a wife killer and child molester. Ames refuses to take anymore of their insults and gives them all a beating. In the end of the first segment of the race.
Ames realizes that Pachenko is the man who killed his wife. Ames vows to kill Pachenko on the track. Using the smoke defense weapon to cause Pachenko to crash his car. Ames gets out of his car wearing the Frankenstein mask. He grabs Pachenko and he tells Ames that it was Hennessey who hired him. Ames says, "I know. And she's next." Then Ames breaks his neck.