It again speaks to the more comprehensive, overarching approach we need. A bill or regulation can only go so far in ensuring biosecurity. Security screening provides you with one level of reassurance, if you like, that those who have access to levels 3 and 4 pathogens have at least undergone security screening. Beyond that, there will always be some individuals who do something you never really anticipate.
On March 5th, 2009. See this statement in context.