Peter's investigations have had coverage in tv and newspapers throughout Europe. His recent stories are published by The Guardian, The Observer, The Diplomat, Der Spiegel and Le Monde diplomatique as well as the Danish Weekendavisen.

He has published stories in, and supplied investigations to, many of the major European consumer magazines, including Italy, Spain, Portugal, England, Netherlands, Belgium, Austria, Sweden, Finland, Iceland and Denmark.

In Denmark while working for DanWatch, he led investigations published in major newspapers, including Berlingske, Jyllandsposten, Politiken and Børsen and broadcasted in national television such as DR and TV2. 

In 2016, he was among the final nominees for the Modern Slavery Media Awards in England because of an investigation for The Guardian. In 2014, he was among the top three nominees for the Timbuktu Award in Denmark. In 2013, he contributed to the award-winning Blood Bonds investigation by Danish newspaper Berlingske.