The Butler County Sheriff’s Office is investigating the county’s second homicide of the year following a shooting death Saturday night.

A 40-year-old man, whose identity is not being released, was shot to death at a residence on Pettibone Road.

According to Butler County Sheriff Kenny Harden, Barbara Wood has confessed to shooting the man, however, the reason for the shooting remains unclear.

Wood was placed in custody at the scene and transported to the Butler County Sheriff’s Office for questioning. She was later moved to the Butler County Correctional Facility where she is being held. Charges have not yet been filed.

The case remains under investigation.