Uberto Alberti question
When you assassinate him, you are supposed to leave the area and guards come in after you. Seeing as i want to be anonymous as much as possible for this next playthrough i thought i would kill the guards before i went in
I killed the two Brutes and the other 2 door guards, as well as 2 others paroling by. This was about the right amount of guards who ran in. However when i assassinated him again, they all ran in anyway, is it possible to get out of there without being alerted? ( as in a red ring around the minimap)
According to Asaic, regular guards are spawned after the assassination and they come toward you. You're anonymous for a moment until their social status indicators fill up. He says you can't avoid detection entirely but don't let that stop you from trying to figure out a way. 
Yeah, I certainly couldn't find a way. They come from three of the four sides, with the fourth side being closest to you. Scrambling up the nearby wall is about the quickest I can see to get out of there (and that has you moving away from the incoming guards), but they still detect you before you get to the top.
There's no one to blend with due to the panic and if you don't move you're spotted by all of the guards converging on your position. If there's any other way out, I'd love to know about it. 
I fell good exploiting this 
! This might not work the first time but it eventually should.After the memory corridor sequence the mini-map will be highlighted yellow. Quickly get up the cloth covered boxes in front of you and up the wall.Make sure you hold the high-profile button. Get up the wall you come across again in front of you. When I got half way over to the other side I became anonymous. Again this might not work on first try.
Hope I helped!
UPDATE: I did this on my first try just to let you know its possible.
I killed every guard before i entered the area and killed Uberto, no guards entered the area and i could get away easily. I show the map which brings up the area you must escape in.
However I cannot get rid of the archers, they do not spawn until the mission starts and if you kill one Uberto is alerted, but since they do not jump down to the fight it doesnt really matter.