Son of nanny murdered by Lord Lucan tells police he has tracked down the fugitive peer, 85, to Australia 'where he is now a Buddhist and housebound' after vanishing four decades ago

• Neil Berriman's mother Sandra Rivett was murdered by Lord Lucan in Nov 1974
• Lord Lucan's car was later found abandoned but he has never been located
• Assumed he killed himself off Newhaven - but there have been global sightings  
• Mr Berriman thinks he has found Lucan, now 85, in suburban Australian house
• He said: 'I believe I've tracked down the man, Lucan, who murdered my mother'
• Met says Sandra's murder case still 'open' and will 'consider new information'
• The son of the nanny killed by Lord Lucan has today made the sensational claim he has found the peer in Australia where he is housebound and awaiting a major operation after decades living as a Buddhist Down Under.
  Neil Berriman's mother Sandra Rivett was murdered by Richard John Bingham, the 7th Earl of Lucan, in November 1974.
  He told the Daily Mirror: 'I believe I have tracked down the man, Lord Lucan, who murdered my mother. He has been alive all this time. Lying about who he is. Lying about it to his new friends'.
  Scotland Yard told MailOnline today that Sandra Rivett's case remains 'unsolved' and 'open' and admitted they would consider 'any significant new information' about Lucan's whereabouts - but stopped short of saying they will probe Mr Berriman's allegations.
  Lord Lucan's blood-stained car was found abandoned in East Sussex, but he was never successfully traced, and despite sightings in countries all over the globe the most likely theory was that he committed suicide by scuttling the powerboat he kept at Newhaven and jumping in the sea with rocks in his pockets.
  In 1975, an inquest jury declared Lucan to have been Ms Rivett's killer, and in 2016 a court issued a 'presumption of death' certificate for him, a ruling that cleared the way for the couple's son, George Bingham, to become the 8th Earl of Lucan.
  But today, in a quite extraordinary claim, 52-year-old Neil Berriman says he has located Lucan, who he says is now a Buddhist m who turned 85 last month but is seriously ill.
  Mr Berriman claimed the peer originally lived in Perth after escaping to Australia, but moved to another part of the country after falling out with friends. 
  
  
  

  Neil Berriman's mother Sandra Rivett was murdered by Richard John Bingham, the 7th Earl of Lucan, in November 1974 and he said today: 'I believe I have tracked down the man, Lord Lucan, who murdered my mother'
  

  
  
  

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  The father-of-two would later find out he was Sandra Rivett's (pictured) son, and 12 years ago began searching for Lucan
  Police search for Lord Lucan for the murder of Sandra Rivett

  
  

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  Lord Richard John Bingham with his fiancee Veronica Duncan on the announcement of their engagement in 1963
  
  

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  George Bingham, the only son of the infamous British aristocrat Lord Lucan, arrives at the High Court with his wife Anne-Sofie Foghsgaard in 2016 where he obtained a death certificate for his father allowing him to become the 8th Earl of Lucan