STOCKTON (CBS13) —Less than a week after a woman who was found dead in what police call a “severe attack,” investigators have arrested her alleged killer.

Steven Martinez, 55, was arrested Thursday on homicide charges in connection to 57-year-old Mary Sellars’ death. Sellars was found dead in her home on the 7000 block of Village Green Drive on Friday.

On Tuesday, police found a black truck that was taken from the scene of the crime torched in a nearby Stockton neighborhood.

The investigation into Sellars’ death is still ongoing. Anyone with information about the case is asked to call the Stockton Police Department.