Mother arrested after 11-year-old son found dead in Horsham home and SUV found partially submerged at New Jersey shore.

A mother is in custody after her 11-year-old son was found dead in Horsham Township, Pennsylvania. The father reported that the child was found dead inside the master bedroom, where he allegedly spent the night with his mother. The mother was later found in New Jersey after her car was spotted partially submerged in the ocean. The cause of death and charges are unknown at this time. Montgomery County Detectives and Horsham Police launched a joint investigation into the boy's death.