In fact, customs officers and sniffer dogs go through the mail at the Swiss postal service’s sorting centre in Mülligen, near Zurich, every day to seek out drugs, fake goods and other contraband. So far this year, they’ve sniffed out 130 packages containing class-A drugs and confiscated around 60 fake identity documents. WRS’s Catherine Allen called on Swiss customs officer Max Gerber to find out more about their daily work—and some of the more unusual contraband that passes through.