Yes and no.
Executives - not officers - who come into KE from other parts of the corporation are more likely to do so, certainly. At the heart of it, though, KE provides security for Ares against criminals - shadowrunners - and there's a mindset that tends to come with that sort of individual. Yes, cops use their little roster of snitches, but a security guard just doesn't trust anyone. I would actually think that LS would be more likely to use shadowrunners to get the dirt ... but you never know. Tosh Athack seemed willing enough to use 'runners ...