An Edmonton judge denied a mistrial application Monday in the Travis Vader double-murder case, and instead convicted him of manslaughter in the deaths of an elderly St. Albert couple.

A camera will not be allowed inside an Edmonton courtroom Monday when the judge in Travis Vader's double murder trial hears a mistrial application in the case.

An Edmonton judge who used an unconstitutional section of the Criminal Code in his murder verdict is considering whether or not to grant a mistrial in the case.

When Justice Thomas Denny convicted Travis Vader of second-degree murder, thousands of Canadians watched as he made what legal experts call a major error.

Brian Beresh says the appeal focuses on what he calls a major error in the ruling and is seeking to have Vader acquitted or a new trial ordered.

Even though the Lyle and Marie McCann's bodies have never been found, Justice Denny Thomas concluded beyond a reasonable doubt that Travis Vader killed the seniors during a robbery.

Peter Sankoff, at the University of Alberta, points out the judge used an invalid section of the Criminal Code.

Watch the full Travis Vader murder verdict read by Judge Denny Thomas Thursday.

A look at some instances where cameras have been allowed in Canadian courtrooms.

A judge is expected to deliver a verdict Thursday in the first-degree murder trial of Travis Vader, accused of killing elderly couple Lyle and Marie McCann. Here's a look at the case against Vader.