Tear gas actually was filled with the Smoke Monster....

[anti-hero]

....and when released, it enters the body and "posseses" or takes over that person.

[Tommy]

no.............im no authority or anything, but i think thats very unlikely.

[anti-hero]

ok, but what if there was a way to somehow bottle up or capture a fragment of the monster?

would that lead to some better understanding?

do the Others have the tech. to do tests on said fragment?