Court was shown photographs taken of Douglas Garland after he was arrested during trial on Tuesday.

Sully, a 10-year-old yellow Labrador Retriever, was taken to the Garland property on multiple occasions to pinpoint areas of interest to police officers.

When forensic investigators first arrived at Alvin and Kathy Liknes’ home June 30, 2014, they were told they could be dealing with a possible kidnapping or robbery.

Douglas Garland has pleaded not guilty to three counts of first-degree murder for the deaths of five-year-old Nathan O’Brien and his grandparents, Alvin and Kathy Liknes.

The Crown said they have extensive evidence from Douglas Garland’s hard drive showing “meticulous, painstaking research.”

“We are grateful for the overwhelming support we have received from people in Calgary and across the country,” said the victims' family statement.

Douglas Garland, 56, is charged with three counts of first-degree murder in the deaths of Nathan O’Brien and Alvin and Kathy Liknes.

Garland is scheduled to be tried by a jury in January for three counts of first-degree murder in the deaths of Nathan O'Brien and Kathryn and Alvin Liknes.

A home in southwest Calgary, formerly occupied by a couple who police say were murdered along with their grandson, has now been demolished.

The trial for accused triple murderer Douglas Garland is scheduled to begin on January 16, 2017.