More Out Of Control Cops

SEE HERE  I don't get this.  The cops seem more and more out of control.  Is there no-one training them these days or are they being trained to be Gestapo?  A man carrying an unloaded shotgun on his own property does not seem to me to be committing any offense at all.  Is there something I'm missing?  I doubt it.  I think the cops are so full of themselves that they are trampling on the rights of citizens.