Former Wisconsin sheriff 's deputy Andrew Steele , 40 , has been found not legally responsible in the killing of his wife and sister-in-law . He shot dead wife Ashlee Steele , August 22 , and her sister Kacee Tollefsbol , 38 , on 39 . His defense team had argued that Lou Gehrig 's disease had damaged his brain , making him not criminally responsible for the deaths . Prosecutors believed Steele had planned the killings abnd a third sister said he had displayed inappropriate feelings towards Tollefsbol .
Former Wisconsin sheriff 's deputy Andrew Steele , 40 , has been found not legally responsible in the killing of his wife and sister-in-law . He shot dead wife Ashlee Steele , 39 , and her sister Kacee Tollefsbol , 38 , on August 22 . His defense team had argued that Lou Gehrig 's disease had damaged his brain , making him not criminally responsible for the deaths . Prosecutors believed Steele had planned the killings abnd a third sister said he had displayed inappropriate feelings towards Tollefsbol .