Where is Jason Steadman now? NBC's true crime show 'Dateline' to revisit chilling murder case of Dwayne Demkiw ALBERTA, CANADA: Jason Steadman, currently serving a life sentence, was found guilty of brutally murdering a man named Dwayne Demkiw in February 2019, almost 4 years after the crime was committed. But it was no simple killing — Demkiw's body parts were found buried in a different town. Steadman was a known dangerous man and certain…