what begins as a typical night at a liquor store takes a terrifying turn. into right when he was ready to pay me, i heard a big explode. >> as a truck crashes into the store, putting the clerk in grave danger. >> i was scared to death. what happened to my legs? >> october 5th, 2012. carmichael, california. singh is nearing the end of a 16-hour shift at the local kb liquors where he has worked for two decades. >> looking at my watch. it's almost 10:00. i have an hour to go, see my family. when the customer came into the store named kirk and i saw him waiting for me at the cash register and he wants to buy something. >> outside the store, a security camera captures a white pickup truck turning to pull into a