The matter which was only just reported to police in mid-January has received a lot of public feedback since PNG Loop broke the story.
Many readers called on parents to be more mindful of the type of people they expose their children too.
The victim aged 1 year 7 month died as a result of the injuries sustained during the ordeal that lasted from October 2015 to January 14th this year.
Lae’s Metropolitan police commander Anthony Wagambie has condemned the incident and called on parents to never leave their children in the care of relatives they do not know well enough.
The suspect who is a relative to the victim’s family has been on the run since the matter was reported by the mother of the baby.
Police are now working with relatives to try and track him down.