Pulling off the perfect heist in PayDay 2 isn't easy. Your team will have to contend with randomised security and level layouts every time, with missions usually descending into absolute chaos as SWAT teams and snipers ply their aggravating trade. I certainly made a pig's ear of it in our hands-on preview.
Just to rub it in, Overkill Software have now published a video showing off how to do it properly. Sort of. Game's out from August 13th on Steam, with console versions trailing over the following three days.