Shooting outside PetSmart over not saying 'thank you'

Breakdown

• A woman was shot and killed outside a Dallas PetSmart after an argument over not saying 'thank you.'
• The dispute began at a nearby store and escalated in the parking lot. 39s
• Suspect Kiana Hampton followed the victim and her daughter, leading to a physical altercation. 55s
• Hampton allegedly shot the victim three times before fleeing the scene. 1m 42s
• Police arrested Hampton, who now faces a murder charge, aided by surveillance footage. 2m 10s