Defense of property, self defense, defense of others etc

The other day in class we discussed the different "privileges" or "defenses" to intentional torts including the so-called "shopkeeper's privilege" and the rights to self defense, to defend others, to defend property and to recover property. By coincidence, I just came across this video in another website, which in a way seems to implicate most of them. It shows the same scene from 4 different angles. The first one suggests a robbery.  Keep watching....