At 5:10 Clouseau puts on his shoes in the airplane door. After he retrieves his umbrella and steps off the plane, he falls onto a luggage cart, but his shoes are again missing (the hole in his sock is evident).
When Clouseau accidentally plays the audio cassette at the funeral, the same boys turn their heads to look at him twice, in multiple shots.
Having a group of people wearing the same masks robbing different banks at the same time would not help the criminals. Their finger prints would still be left behind . As well as the fact that our current laws if physics prevent being in two different places at the same time . It would have been discovered that one man can't be in multiple banks around Switzerland at the same time.