A self-taught hypnotist who put a married woman into a trance and told her that she was his sex slave has been jailed.

Timothy Porter, 40, had offered to help his victim with her weight loss and anxiety but while she was in a hypnotic state he took advantage of her, making her fondle her own breasts. She contacted police after waking to find him with his trousers down.

Porter, a former RAF serviceman, pleaded guilty to causing a person to engage in sexual activity without their consent and was jailed for 18 months yesterday at Teesside Crown Court.

Jonathan Walker, prosecuting, said that Porter, who served at RAF Leeming in North Yorkshire until the end of 2012, learned hypnosis and offered to carry out