right buy liquor store is in a busy shopping center near two of nyack's frequented roads.about 6:30 in the evening. sarah chapman is working her regular shift when surveillance cameras capture a woman running through the door. she's taken a taxi here and leaves it waiting outside. >> i was familiar with the store. i was a frequent patron. i was on my break from work. i called a cab and went to the store. when i went to the store i was under the impression i was in the store by myself. so i went to the register. as you can see in the videotape, i'm counting my money, getting my stuff together or whatever. i'm looking around. there's no clerk. >> separated by several aisles, both morrow and chapman are unaware they're standing in the same room, just yards apart. >> i was here with another person in the back corner. she came in. i didn't see her. >> with each second ticking by and the taxi meter running, morrow becomes more anxious. she openly admits she was drinking, even though she was on a break from work at a local restaurant. >> i had a cab waiting outside. he's charging

on i80 chains are required from nyack to truckee. and on u.s. 50 from east placerville to myers. ken wayne went to the sierra and it was not long before he ran into trouble. >> reporter: caltrans put up chain controls at about 11:00. but it was from this point heading eastbound toward the summit where the problems really began. we have just passed the chain controls and we've already hit a situation. we're kind of on a curb where the road slightly leaning to the right. this semi truck to our left is spinning out. so is a small suv right in front of it. once we made it past that truck we found a pair of tow trucks helping free an suv that spun out and sustained damage. we saw a big rig getting a push from a caltrans truck. the ice clung to the road. and to our mirrors. it was a tense drive, a bit much for laura slate and her family. >> we may end up going back home because they said they closed the freeway down at colfax. >> reporter: the interstate was shut down for hours as spin outs were cleared. >> a cold snow like this is icy, that's the problem. we were sitting in this traff

on i80 chains are required from nyack to truckee. and on u.s. 50 from east placerville to myers. went to the sierra and it was not long before he ran into trouble. >> reporter: caltrans put up chain controls at about 11:00. but it was from this point heading eastbound toward the summit where the problems really began. we have just passed the chain controls and we've already hit a situation. we're kind of on a curb where the road slightly leaning to the right. this semi truck to our left is spinning out. so is a small suv right in front of it. once we made it past that truck we found a pair of tow trucks helping free an suv that spun out and sustained damage. we saw a big rig getting a push from a caltrans truck. the ice clung to the road. and to our mirrors. it was a tense drive, a bit much for laura slate and her family. >> we may end up going back home because they said they closed the freeway down at colfax. >> reporter: the interstate was shut down for hours as spin outs were cleared. >> a cold snow like this is icy, that's the problem. we were sitting in this traffic jam hea