It is P4 Norrbotten who reports that Stig Andersson, prosecutor at the National Unit for Environmental and Occupational Crime, is leading the investigation that has been going on since the accident in summer 2018.
Julia Markström fell through a grating floor that was rusted, fell five meters and died from her injuries.
According to Sweden's radio, the suspected person is a manager at LKAB with protection responsibilities that should not have been fulfilled. The person denies the crime.