Here's another first. On the train today, while on my way back from Wrocław, I had to be checked by Czech customs police. It was quite odd.The Polish train I was on ended in Lichov in Czechland. The connecting train onward was to arrive about 20 minutes later. While waiting I was approached by two Czech police officers who wanted to inspect my bags. They asked me how much alcohol, cigarettes, and medicine I brought back from Poland. Again, odd because I thought there was supposed to be free movement of goods in the EU. I've been through random Schengen ID checks before but never for goods.
I was cleared in only a few minutes. They were satisfied with the gift back I had containing one bottle of Żubrówka. The police were more fascinated with my ID card because it says I was born in California. They must have been looking for something specific. There were a couple of Czech girls having the contents of their bags searched quite thoroughly and they never made it on to the next train.