when michelle's daughter, vicki fowler (samantha leigh martin), is kidnapped in march 1993, jack becomes prime suspect in the police investigation. when the police question him and discover that his room is littered with pictures of michelle, they decide to keep him under surveillance. the real kidnapper is eventually caught, but jack is furious with michelle's betrayal. he continues to stalk her until she decides to take action. she enlists the help of phil mitchell (steve mcfadden) to scare him away and when this fails she contacted jack's father (peter kelly) and stepmother (helen blizard) to confront them with his irrational behaviour. it is revealed that jack has a history of stalking girls and, after jack breaks down and confesses to everything, his father takes him home with him.