Currently, yes - although the idea was surmised from a conversation with Mr. Robert Lutece. A brilliant mind in that one.

Unfortunately, if I cannot collect enough samples, I won't be able to complete said research in a timely fashion.

It's either that or I drug everyone and wait for them to fall asleep. But I distinctly remember Agent Dunham saying I wasn't allowed to do such things. ...At least, I think I do.