BARRHEAD, Alta. – A man accused of killing two Alberta seniors has pleaded guilty to assault in an unrelated case.

Alberta Justice says Travis Vader was sentenced to three months in jail and one year of probation for assault and failing to comply with conditions.

Vader made the plea Thursday in court in Barrhead, Alta.

The date of the offences was April 1, 2015.

READ MORE: Forensic evidence ties Travis Vader to St. Albert couple’s van: Crown summary 

Vader’s trial on charges of first-degree murder in the deaths of Lyle and Marie McCann in July 2010 is set for March.

Vader’s lawyer has been arguing in court that the charges should be tossed out over abuse of the judicial process.