Virginia mother called 911 about 'possible intruder' before she and 3 kids were killed, police say

"Ms. Cottle, the mother of the three children, called in reference to a possible intruder. As of our officers were responding, we were able to hear gunshots," Lt. Col. Chris Hensley with Chesterfield Police said. "Once the officers got on scene, they immediately entered the residence to find the suspect was gone. And then they found the four deceased victims... all from gunshot wounds."