Keona Zachyua Hampton, a 22-year-old Texas woman, has been accused of fatally shooting 41-year-old Cecilia Simpson, who was upset at the 22-year-old for not saying thank you to her for holding the door at a shopping plaza. RELATED: Prayers Up! Suspect Identified Following Shooting That Killed Two Children & Injured Dozens At Minneapolis Catholic School More On Keona Zachuya Hampton Allegedly Shooting Cecilia Simpson, Who Was Upset About Her Not Saying Thank You According to Fox 4 Dallas-Fort Worth, the shooting occurred on Tuesday, October 7, around 1 p.m.