Johan-Olav Botn

The provided news articles do not contain any information about a person named Johan-Olav Botn. Article 1 discusses the unsuccessful season of German biathletes. Article 2 highlights Eric Perrot's podium finish and successful biathlon season. Article 3 details Sturla Holm Laegreid's bronze medal win and subsequent confession of an affair. Therefore, it's impossible to provide a summary about Johan-Olav Botn based on the given context.