article_snippet.sent: Nigel Jackson, 59, was arrested at Nigel Jackson country home in Alvor, near Portimao in the Algarve, in January, after the body of Mrs Davidson, 72, was found in a shallow grave outside.
article_snippet.sent: Jackson was initially arrested in January this year after Mrs Davidson became concerned about his wife whereabouts.
article_snippet.sent: However Mrs Davidson eventually contacted police and Jackson was arrested at their home and questioned by police for several hours.
highlights_snippet.sent: Nigel Jackson, 59, arrested at property in Algarve, Portugal, in January .
  