In hearings last week Gustafsson appeared passive as he heard written witness statements and accounts from birdwatchers and anglers who were as young as 11 in 1960.

• “波多姆湖谋杀案”是芬兰史上最令人疑惑的惨案。多年来，警方一直未找到凶手也没能确定杀人动机。案发后，有关案件真凶更是出现多种说法。有人认为，1960年6月6日，一名被送入赫尔辛基医院的男子涉嫌此案；