Alberta's top court is to release its decision Friday on the appeal filed by a man found guilty of killing a Calgary couple and their grandson.

Douglas Garland is seeking to have his convictions overturned.

Garland's defence filed the appeal moments before court closed Friday, Global News confirmed.

Convicted triple-murderer Douglas Garland is back in hospital after suffering a second beating, this time in prison sources say.

Four Calgary Remand Centre inmates have been charged after triple-murderer Douglas Garland was assaulted in jail.

A criminal defence lawyer who has raised concerns in the past about safety at a Calgary jail says people shouldn't be happy that a convicted murderer in a high-profile case was beaten there.

Convicted triple murderer Douglas Garland has been released from hospital after receiving treatment for injuries sustained in a beating by fellow inmates at the Calgary Remand Centre.

Convicted triple murderer Douglas Garland was rushed to hospital in Calgary Friday night after being beaten by fellow inmates at the Calgary Remand Centre, sources confirm to Global News.

Douglas Garland was sentenced Friday for the murders of Nathan O'Brien and his grandparents, Kathy and Alvin Liknes.

A verdict has been reached in the triple-murder trial of Douglas Garland.