In this episode of Hunting 4 Answers: On an ordinary afternoon at a Dallas shopping center, a simple act of courtesy, a door held open, et off a chain of events no one could have predicted. Cecilia Simpson, a 41-year-old mother, was shot and killed in a PetSmart parking lot after a confrontation with 22-year-old woman. Now, a family and community is left asking how a fleeting moment spiraled into fatality. If you have any information related to this case that may help investigators, contact the Dallas Police Department at 214-744-4444 or CrimeStoppers at 1-877-373-TIPS (8477). 

This is the story of Cecilia Simpson.