Harris County 16-year-old charged with murder of mother's fiancé

HARRIS COUNTY, Texas - The Harris County Sheriff's Office is investigating a fatal stabbing that sent a 16-year-old to jail Saturday night.

Teen charged with murder

What we know:

According to Sheriff Ed Gonzales, deputies were called to Cornerstone Ranch Apartments in Katy, on South Mason Road.

Deputies found 39-year-old Randall Jolley unresponsive with an apparent stab wound. He was pronounced dead on the scene.

Investigators learned Jolley and his fiancé were arguing when his fiancé's teenage son intervened and allegedly stabbed Jolley.

The teen was arrested and is facing charges of murder. 

He was booked into the Harris County Juvenile Probation Department.

What we don't know:

The identity of the teen has not been released.

The stabbing is under investigation.