STOCKHOLM/NEW YORK As Kirsty Spalding, a scientist at the Karolinska Institute (KI), sat down earlier this year with her husband to watch ’Making a Murderer’ in their home in Stockholm, Sweden, a sequence of events was kicked into motion that might end up proving the innocence of 54 year-old Steven Avery. He was sentenced 2007 to life in prison without parole for the murder of photographer Teresa Halbach, as portrayed in the series.