VANCOUVER, Wash. -

The Washington state Court of Appeals has overturned a Vancouver's man attempted murder conviction after finding that a cellphone recording of him threatening to kill wife shouldn't have been used at trial.
   
The Columbian reports John Garrett Smith was given a 12-year prison sentence after being found guilty of attempted murder and assault for attacking his wide during a drunken argument in 2013. The appeals court ruling released Tuesday dismisses the attempted murder conviction but upholds the assault conviction.
   
A Clark County Superior Court judge had used a voicemail that Smith accidentally recorded of him threatening his wife to find the 48-year-old man guilty in December 2014.
   
But the appeals court said the recording should've never been admitted as evidence because it contained a private conservation that was recorded without the couple's consent.