question: The Widower is a British television miniseries that portrays the life and crimes of convicted murderer Malcolm Webster,  an Englishman convicted of the murder of who? 
answer: his first wife
context: Title: Malcolm Webster (murderer)
  Passage: Malcolm John Webster (born 18 April 1959) is an Englishman convicted of the murder of his first wife in Scotland in 1994 and the attempted murder of his second wife.  Both cases involved staged car crashes and were carried out for the life insurance money.  A police profiler labelled him a sociopath.
  Title: The Widower (miniseries)
  Passage: The Widower is a British television miniseries originally broadcast in three one-hour installments on ITV in 2014.  The series portrays the life and crimes of convicted murderer Malcolm Webster.  ITV described the show as: "The Widower tells how, over a 13-year period, a seemingly mild-mannered nurse, Malcolm Webster, set about poisoning and murdering his first wife, attempting to do the same to his second wife and moving on to a further scheme to deceive his third fiancée."  The series was written by Jeff Pope.
  Title: Daniel Pelosi
  Passage: Daniel Pelosi (born August 2, 1963 in Center Moriches, New York ) is the convicted murderer of Wall Street financier Ted Ammon, the widower of Generosa Ammon.
citations: Malcolm Webster (murderer) The Widower (miniseries)