Andrew Nicholson , 40 , claims that the terminal disease affected his brain . Nicholson is charged with first-degree intentional homicide for the murders of his wife , Ashlee Nicholson , 39 , and her sister , Kacee Tollefsbol , 38 , in 2014 . He has plead not guilty by reason of mental disease or defect . Jury was presented with Nicholson 's letter written before slayings claiming he had had threesomes with Ashlee and Kacee . His attorney said Nicholson 's last memory from day of killings was looking for scissors to cut zip tie from around his wife 's neck during bondage sex .
Andrew Steele , 40 , claims that the terminal disease affected his brain . Steele is charged with first-degree intentional homicide for the murders of his wife , Ashlee Steele , 39 , and her sister , Kacee Tollefsbol , 38 , in 2014 . He has plead not guilty by reason of mental disease or defect . Jury was presented with Steele 's letter written before slayings claiming he had had threesomes with Ashlee and Kacee . His attorney said Steele 's last memory from day of killings was looking for scissors to cut zip tie from around his wife 's neck during bondage sex .