Andrew Steele , 40 , claims that the terminal disease affected his brain . He says he has been diagnosed with a rare form of cancer called glioblastoma multiforme ( GBM ) and is currently undergoing treatment at UCLA Medical Center in Los Angeles. He has plead not guilty by reason of mental disease or defect . His lawyer said that he suffered damage to his hippocampus the emotional center of the brain , causing poor impulse control and loss of memory .
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 . His lawyer said that he suffered damage to his hippocampus the emotional center of the brain , causing poor impulse control and loss of memory .