Life without Jessie: Davis' mother, son look to the future

Knee-high and wide-eyed, a bright smile usually awakes in Patty Porter's cozy but crowded two-bedroom apartment. Every day since Blake Davis' mother was killed, the 2-year-old makes Porter, his grandmother, smile.

Perhaps that is why Porter is able to deal with the twists of her daughter Jessie M. Davis' murder investigation.