may 8th, 2009, alford, new york. it's the end of the day at alford almond central school, and 15-year-old grace scherzer and 14-year-old chelsea are eager to head home. but today's trip on their school bus will be a ride they'll never forget, and it's all caught on the bus surveillance camera. >> you're making the little kids die! no, stop! you can't move. stop the bus! >> when i first got on the bus, the bus driver wasn't on the bus like usual. >> it took her about 20 minutes to get on the bus, and she was escorted by another bus driver. the bus driver asked her if she was all right, and she repeatedly said, "yes, i'm sorry." and the bus driver got off. afterwards she started making comments, being very inappropriate with us and stuff. we're like okay, something is weird. >> the kids on the bus don't know it yet, but their driver, 55-year-old martha thompson has a blood alcohol level of 0.15, almost twice the legal limit. >> the first time we really realized there was something wrong with the bus driver was when she