Taupō police are calling for information about a silver sedan in relation to the death at the Adelphi Motel on Sunday.
The investigation 'Operation Dell' was launched following the death of motel resident, Ryan Woodford.
Acting area manager of investigations Detective Sergeant Andy Livingstone said a team of investigators was still piecing together what happened to Woodford.
"The investigation team is particularly interested in the movements of a silver sedan and its occupants, which was in the area of the Adelphi Motel at around 6.30am on Sunday morning."