LA MARQUE, Texas » Investigators say a 14-year-old Houston-area boy has been charged in the death of his pregnant mother at their home.

La Marque police say the boy was being held Monday on a juvenile murder charge.

Police Chief Kirk Jackson had no information on an attorney to speak for the teen. Investigators have not released a possible motive for the slaying.

A neighbor discovered the 33-year-old woman’s body Saturday after not seeing her for a few days and checking her residence. La Marque police searched for the woman’s son, amid concerns he might be a victim. A vehicle was missing.

Police located the boy and the car Sunday night in Houston.

Police haven’t said how the woman died or how far along she was with her pregnancy. Autopsy results are pending.