What form of mimicry were Michael Corleone and Enzo the baker practicing?

In the movie The Godfather, Michael Corleone and Enzo the baker stand on the steps outside the hospital where Michael's father is recovering from gunshot wounds and pretend to be holding guns inside their coats as a means of keeping assassins from entering the hospital and killing Michael's father. Allowing for some differences between the natural world and human society...|||Defensive Mimicry





Defensive or protective mimicry takes place when organisms are able to avoid an encounter that would be harmful to them by deceiving an enemy into treating them as something else.





In particular, this is an example of Batesian mimicry, where a harmless mimic poses as harmful.





http://en.wikipedia.org/wiki/Mimicry