Kinsey's the one sent to assassinate people, though. It really could be either.

Heh, yeah, some Russian name.

Most people call them Machello bugs, but they are rather booger-like, aren't they?

Children of the Gods (I'm counting that as one, not two); that one when Daniel delivers her baby while Jack and Sam are in DC...Secrets? (wasn't that the most sadistic ep ever?); Forever in a Day

What ep does Kowalski appear in, even after his death?