Normally, the two officers would be riding the Expo Line, checking passengers for proof of fare payment.

CNN: STORY HIGHLIGHTS

At that stage Dr Pusztai's research simply looked like a proof of principle checking that the techniques for transplanting and testing lectin genes worked, prior to exploring other, less harmful lectins as built-in insecticides for crops.

ECONOMIST: Potato-heads

He said such allegations would give them pause if there was proof against an organization, but he acknowledged the Census Bureau does not have the capability of background checking individuals within partner organizations.

CNN: Commentary: GOP wants a census we can count on