Here are a few quotes in this article from CPS on July 3rd.
It also says that they have video from both neighbours' homes. I never knew that! I always assumed it was that one house on the corner. If they had video that close to the house they surely would have known if unresponsive bodies were removed.
ETA: ok, maybe that meant more than one neighbour but not necessarily a next-door neighbour...
http://www.cbc.ca/news/canada/calga...t-case-less-of-a-mystery-say-police-1.2695310
Staff Sgt. Doug Andrus said police are pleased with the progress of investigation, but can't say much more.
"We've obtained … video and film from both neighbours' homes and businesses in the area. To give you an exact number, I can't, but again we're in the process of reviewing that," said Andrus.
"I would say it's less a mystery to us," he said. "Are we closer than yesterday? I would say we are."
"We have no suspects we can name, but we have information that's allowed us to move forward."
"We're keeping an open mind, looking at all possibilities, hoping we'll find them alive," said Andrus at a press conference Thursday.
"We are now convinced there are people out there with information," said Chief Rick Hanson.
"We don't know the motive behind this. Right now we have three individuals who have disappeared under suspicious circumstances," said Andrus on Wednesday