November 28, 2011 6:30 pm New Details in Walmart Pepper Spray Incident Detectives say a woman who allegedly used pepper spray on holiday shoppers in Porter Ranch is a 32-year-old mother who lives in the San Fernando Valley. US & World Videos 0:32 1 killed in downtown LA warehouse shooting 1:04 Metro warns of possible delays due to sickout 0:31 Long spear found at murder scene in Santa Ana 1:33 Family disturbance call leads to report of shots fired, house fire 2:12 74-year-old woman killed in hit-and-run in University Park