sentences:  Also in 1991, radio station aired a documentary, "Hinterkaifeck – auf den Spuren eines Mörders", and the "Abendzeitung" (München) ran a series of articles called "Die sechs Toten vom Einödhof – Bayerns rätselhaftestes Verbrechen".In 2007, the students of the "Polizeifachhochschule" (police academy) in Fürstenfeldbruck examined the case using modern criminal investigation techniques.They concluded that it is impossible to definitively solve the crime after so much time had passed.