The man convicted of killing a 13-year-old Manitoba girl was back in court on Wednesday.
Mark Grant was convicted in 2011 of killing Candace Derksen in 1984 and wants his conviction overturned because of how DNA evidence was handled.
Derksen disappeared in November 1984 while on her way home from school. Her frozen body was found on Jan. 13, 1985 tied up and partially wrapped in blankets on the dirt floor of a shed about 500 metres from her family's home.
Grant was convicted of second degree murder 27 years after she was found. He was sentenced to life in prison with no chance of parole for 25 years.
Grant appeared before the Court of Appeal Wednesday, hoping to have his second-degree-murder conviction overturned.
In 2007, cold-case investigators sent hair samples and the twine that was used to tie up Derksen to a lab in Thunder Bay, Ont.
On Tuesday, Grant's lawyers once again argued that the DNA results were not to be trusted.
On Wednesday, the Crown defended the DNA evidence and the prior conviction, saying there were no errors.
Derksen’s mother Wilma was at the hearing Wednesday. She said seeing Mark Grant brought her grief, but she told CBC, "He has the right to appeal, and I trust the process."
The hearing wrapped up Wednesday afternoon. The judges presiding over the case called it a difficult one that could take up to a year.