A California woman who won't face felony charges for pepper spraying Black Friday Walmart shoppers is considering a lawsuit claiming that the national retailer didn't provide enough security for the post-Thanksgiving shopping spree. Elizabeth Macias, 32, said she fired the stinging spray after shoppers attacked her two teenage children as they tried to obtain X-Box video game consoles for purchase, attorney Michael Champ, Macias' lawyer, told CBS News' Los Angeles station KCBS Friday