Hot dog! It's time to leave for Cali, but "hot dogs" ok?

I have a friend that was a US C&BP agent. I asked him what his best bust was, expecting drawn guns and drugs, but he said that his most significant bust was locating a false compartment in a semi-trailer that contained grape vines contaminated with a blight that were being transported from Canada. They could have wiped out the wine industry in California.