Assuming stardates happen sequetionally
In this case, I think there might be a case to be made.
"The prosecutor would be, I think, concerned … if the investigation was still going on behind the scenes, without them being looped in, while they're trying to prosecute a case," said Michael Arntfield, a criminologist and professor at Western University who worked for 16 years as a detective with the London Police Service in Ontario.
"If they say they can't interview him, that to me sounds like they've taken direction either from the Crown or from superior officers to not potentially interfere with the prosecution."
CBC is reporting this as fact, not an allegation - it's safe to assume that they know exactly who these campaign workers are.
There are also decent reasons not to name them just yet - if they're low-level staffers, it's worth trying to get a comment from the Party first, and/or try to determine how far up the ladder this goes. No sense in scapegoating the grunts until the higher-ups are ID'd.
On Friday night, in two Ottawa bars, campaign workers shared how the party was behind this move — how two Liberal Party staffers attended the conference intended for conservatives and placed these buttons in areas where attendees would find them.
One of those conversations was in the immediate earshot of this journalist. A Conservative source overheard the other conversation.
Yeah, from what I've gathered from previous articles on the topic, CSIS does not have boots-on-the-ground spies, foreign assets, or the infrastructure to support them.