michelle nixon, and i'm phil tors. that's torrez and let's do some science. >> we are back for another exciting show and lindsay you can start us off. this is important to you as a mother. >> i did a story on ballistic backpacks and bulletproof backpacks. one being a former cia officer who thinks any layer of added security is good and one as a mom in do i really want to give my kids the idea that this kind of technology is going to keep them safe? let's have a look. >> as a former cia agent i learned how to shoot a variety of guns. so when techknow asked me to cover a story about the trend in bulletproof back to school supplies, it intrigued me. as a former operative and as a mom. back to school shopping it's always the most stressful time of year for parents like me who are not prepared and now we've got one more thing to worry about: some parents are buying items like this insert intended to bulletproof backpacks to their back to school shopping list. in the wake of the sandy hook shooting, it's no surprise that thi