Topeka ? The Kansas Supreme Court today upheld the murder conviction of Martin Miller.

Oral arguments in the case were held before the court in April. The court’s decision was unanimous.

Miller was appealing his conviction in the July 28, 2004, strangulation death of his wife, Mary Miller.

Miller contended that pornographic photos found on his computer should not have been admitted as evidence in the trial, and that in closing arguments prosecutors prejudiced the jury by referring to him as the killer.

“This double life of pornography, which defendant attempted to hide from his wife, underlies the State’s theory regarding the motivation for murder. The pervasiveness of defendant’s fixation and the juxtaposition of that fixation to his family life are key to the State’s theory. Motive and intent are material facts in the case,” the court ruled.

Miller was sentenced to life in prison without the possibility of parole for 25 years.

Prosecutors say that the evidence of pornography was critical to establish motive, and that references to Miller in closing arguments were appropriate.