Yesterday a scene examination took place at the property under the protection of the Waikato Armed Offenders Squad.
McKenzie said the investigation team would appreciate anyone in the Rukuhia Rd area coming forward and sharing any information they had.
They were particularly interested in anything unusual happening on Sunday and Monday.
"If you heard or saw anything suspicious at the address from Sunday evening through till Monday at midday we ask that you contact Hamilton Police on 07 858 6200," said McKenzie.
Information could also be passed on anonymously by calling Crimestoppers on 0800 555111.