after getting drunk and after freezing in the lake , amanda naturally would make mistakes - like buying the doritos and the diet cherry coke with a crisp $ 100 bill - still crisp because the bills were in the slim purse which was wrapped with their weapons in plastic bags before they took the swim in lake superior - make lots of mistakes - like stumble drunk into the beer-hall in front of a hundred witnesses , though at the time she did n't see herself as a fugitive .