Woman killed in broad daylight outside PetSmart over shopper's manners

A Texas mother, Cecilia Simpson, was fatally shot outside a PetSmart in Dallas after confronting a woman over her perceived lack of manners, highlighting escalating violence over trivial disputes.

• Cecilia Simpson, 41, was shot dead outside a PetSmart in Dallas's Oak Cliff neighborhood while shopping with her daughter on a Tuesday afternoon.
• The confrontation that led to the shooting began when Simpson held the door open for a young woman, who did not say 'thank you,' prompting an argument.
• The Dallas Police Department is investigating the incident, which raises concerns about public safety in shopping centers like the one housing PetSmart and Five Below.