User blog comment:Kabutsu/The Crimson Polls II: 31/@comment-5546424-20131207060448/@comment-5546424-20131209001302

I just glitch my way in. From the side of the Palazzo that faces the fast travel point, there's a spot where you can climb up the building.

Here's an example.

As for the undetected thing, I'm not sure what you're talking about. I usually just get in and try to take everyone out without being seen, if that's what you mean.