Philip Cairns
... that a schoolbag is the only known trace of 13 year-old Irish schoolboy Philip Cairns, who disappeared in October 1986?
... that a schoolbag is the only known trace of 13 year-old <a href="./Republic_of_Ireland" id="mwEj8" rel="mw:WikiLink" title="Republic of Ireland">Irish</a> schoolboy <b id="mwEkA"><a class="mw-redirect" href="./Philip_Cairns" id="mwEkE" rel="mw:WikiLink" title="Philip Cairns">Philip Cairns</a></b>, who disappeared in October 1986?