If people think airport security in the US is incompetent check this out:

Customs regulations specify that a training suitcase be used for such exercises, but the official said he had used passengers’ suitcases for similar purposes in the past, domestic media reported. "The dogs have always been able to find it before," NHK quoted him as saying. "I became overconfident that it would work." Anyone who finds the package should contact Tokyo customs as soon as possible, the spokeswoman said.  [Reuters via LT Nixon Rants]

There is probably one happy businessman in Hong Kong right now though.