Brügger directed '' Cold Case Hammarskjöld '' ( premiere at the 2019 Sundance Film Festival ) , which is a documentary film about the death of UN General Secretary Dag Hammarskjöld in a plane crash in 1961 . In January 2019 Brügger reported in three articles in The Guardian about his findings
2019 Sundance Film Festival
2019 Sundance Film Festival
Mads Brügger