"The investigation team is keeping an open mind as to the factors that led to this tragedy and, in particular, what 'caused' Coen to lie on the road in a dimly lit area of Wanaka."
ESR and the police forensic team have completed their examination of the taxi.
All CCTV footage has been reviewed and all known witnesses have been located and interviewed by police.
Victim Support staff have been working to support those affected by the incident.
Mr Rosmalen's body has been released to his family. Throughout the investigation police have been liaising with the Netherlands Embassy and Mr Rosmalen's next of kin.
Police will now refer the matter to the coroner who will later receive a full report into the investigation.