not really sure how you pull this off, or why you'd want to...
http://worldnews.msnbc.msn.com/_news/2011/12/11/9366825-brazil-50-tons-of-corn-stolen-from-moving-train
Police in Brazil's southeastern Sao Paulo state are investigating the theft of 50 metric tons (55 U.S. tons) of corn from a moving train.
http://worldnews.msnbc.msn.com/_news/2011/12/11/9366825-brazil-50-tons-of-corn-stolen-from-moving-train