Audio series on unsolved crimes are all the rage. A German reporter has launched his own True Crime podcast, "Who Shot Burak", a real-life murder mystery. Netizens can listen in. Podcasts are programs that can be downloaded from the internet usually for free. Among the most popular audio shows are true crime podcasts such as "Serial" from the US by Sarah Koenig. It's gained a following of millions and become the model for "Who Shot Burak", where reporter Philip Meinhold looks into the unsolved murder of Burak Bektas in Berlin's Neukölln district.