article_snippet: NHS boss Karl Perryman, 52, was warned Miss O'Neill faces jail after being found guilty of stalking female colleague Joanne O'Neill .
article_snippet: Karl Perryman was head of complaints and legal services at Queen Elizabeth Hospital, in King's Lynn, Norfolk, when Karl Perryman sent the 'dark and spiteful' notes to stalking female colleague Joanne O'Neillstalking female colleague Joanne O'Neill.
article_snippet: Karl Perryman recruited stalking female colleague Joanne O'Neill stalking female colleague Joanne O'Neill as Karl Perryman 'prodigy,' but turned on her when her began a relationship with Queen Elizabeth Hospital's deputy director of ICT Michael Brown, who her has since married.
article_snippet: Karl Perryman was found guilty at King's Lynn Crown Court of one count of stalking and one count of intimidating a witness -
article_snippet: Miss O'Neill, who is now married to Mr Brown, told the jury Perryman, who was her line manager, said Mr Brown would 'destroy' her if her told anyone about Mr Brown bullying.
article_snippet: After Perryman arrest Perryman allegedly approached Mrs Titmarsh and threatened 'You don't know what's coming to you' while making a 'thumb across the throat' gesture.
highlights_snippet: Karl Perryman convicted of stalking and witness intimidation by a jury .
  
highlights_snippet: 52-year-old turned on Joanne O'Neill when she spurned Karl Perryman advances .
  