DSP Gambo Isah, Katsina police spokesman, confirmed the incident on Monday.
The suspect was arrested and detained by the State Police Command.
ROYAL NEWS gathered that, Saidu had dragged the deceased into an uncompleted building in Yankara village of Faskari Local Government, where he allegedly beat, twisted and broke her neck.
Yahuza Yakubu, purported to be the biological father of the girl, reported the case at the Police Station in Faskari.
Isah disclosed that the suspect had confessed to the crime.
Adding that “during investigation, Saidu confessed that he acted under the influence of psychotropic substances.
“The deceased was rushed to Funtua General Hospital, where a doctor pronounced her dead”.