A family is demanding an exhaustive probe to unravel the mystery behind the murder of their 13-year-old girl in Satima village in Nyeri County.

Stella Wambui is believed to have been waylaid by an unknown assailant as she headed back home from a party at her grandparents’ home on Monday evening.

Wambui’s attacker then raped her before dumping the minor’s body, bearing visible injuries on the ear a few kilometers away from her home.

The attacker ripped Wambui’s clothes, pointing to a possible struggle.

Confirming the incident Kieni West police boss Samuel Ndegwa said the victim, who had arrived at her grandparents’ home in the company of her mother, left on a different route at about 6pm.

The family discovered the minor’s body at 8.30 am on Tuesday following a search.

Police move the victim’s body to a morgue in Mweiga pending a postmortem investigation to aid the probe.