The party remains strong and united even in the face of last fall's election defeat, Harper said in his first public remarks since stepping down on election night.
The body of a man missing since November 13, 2015 was found on May 6, 2016 in Burnaby.
Several media are identifying the man as Rocco Sollecito, an alleged influential member of the Montreal Mafia.
59-year-old woman cried in a Quebec courtroom on Thursday as she recalled the sexual, psychological and physical abuse she suffered as a child at the hands of her foster parents and their friends.
But the arrest of 34-year-old Sigfredo Garcia hasn't answered a long line of questions about why Daniel Markel was gunned down in the garage of his Tallahassee home in July 2014.
The trial has been told that Alexandru Radita weighed less than 37 pounds when he died in May 2013.