sgt. john poole/anne arundel county police department: "when we have that data, we can compare it to our witness interviews, we can compare it to our physical evidence, curcumstantial evidence. it really can be the last puzzle piece we need to close a infotainment system is capable -- of catching a car thief. (("i think this opened my eyes to how much it does store...")) dayna roselli, 13 action news 13 action news has been following a massive hazmat response at a las vegas school. this a live look at the johnson ju it's quiet on the outside.. but epa agents are inside.. screening the school for mercury. coming up at 6:30.. hear from a student who says he may have tracked the poison home. and.. a valley road is flooded today after an unbelievable water main break. find out what it's doing to the traffic situation. stay with us. undergoing mercury testing. 13 actions news christopher king is live at the scene where it's all happening. this is a lot bigger than the school first thought. two st-raight days..school is closed. two straight days..federal clean- up crews are tes