The Expert is a 1995 American action thriller film about an ex-special forces trainer who decides to exact revenge on the murderer of his sister after his death sentence is commuted. The film was directed by Rick Avery and William Lustig (who was uncredited) and stars Jeff Speakman, Jim Varney and James Brolin.

Plot

John Lomax is an ex-Special Forces trainer whose sister is attacked and murdered by serial killer Martin Kagan. Kagan represents himself at trial, calling in testimony from Dr. Alice Barnes that the murders were committed by Martin Mirman, one of Martin Kagan's other personalities. He is nevertheless sentenced to electrocution. John Lomax breaks into the prison where Kagan is being held to seek his own justice at the same time that Kagan is conducting a prison break of his own.