I had my daughter in her infant carrier in the shopping cart in a two story Target near my home. I put the shopping cart through the escalator doors and got on the escalator right next to it, which is for the people. As i was coming down i saw the picture that showed a circle around the baby in the shopping cart with a huge x through it. It didn't occur to me that i should have taken the elevator and not left my child to go down by herself in the cart. I looked around to see if anyone caught me, but luckily only one person saw, and didn't say anything.