Trial begins for man accused of killing four people during a mass shooting in Penticton, B.C.
![Trial begins for man accused of killing four people during a mass shooting in Penticton, B.C.](https://globalnews.ca/wp-content/uploads/2019/05/john-brittain.jpg?quality=85&strip=all&w=720&h=480&crop=1)
John Brittain, 68, is charged with three counts of first-degree murder and one count of second-degree murder after a quadruple homicide in Penticton on April 15, 2019.