Ah sure t'is nothin to do. Little scamps.
Sadly happening all over the place (not the excrement part).
http://www.independent.ie/irish-news/thieves-robbed-all-our-possessions-and-trod-excrement-through-my-home-while-we-visited-santa-30809153.html
A number of houses in my own estate were broken in to on the same day in broad daylight last year. It's more brazen than it was.
And if you confront them and kicked the ever living sh!t out of them for entering your property they will have you in court. Equally if you don't and catch them they will get free legal aid.
Joke of a system.