Michael Weir (born 1966) is a British double murderer and serial burglar who was the first person in British history to have been convicted of the same crime twice. In 1999, he was jailed for the murder of 78-year-old war veteran Leonard Harris. Weir's conviction was quashed a year later at the Court of Appeal on a technicality, only for him to be re-convicted in 2019 in a 'double jeopardy' case after new evidence was found. Weir was also convicted in 2019 of the murder of 83-year-old Rose Seferian, who was also killed during a burglary five weeks after Harris, which made additional history as the first time a second murder charge was added to a double jeopardy case. Upon Weir's conviction at the Old Bailey in December 2019, judge Justice McGowan told the jury that they had made "legal his