[IYAS9YAS]

The only things not readily available on the internet are CS grenades, we’ll have to wait to see how he found or created them.

This is the one thing I keep coming back to. Were they actually CS grenades, or were they novelty smoke grenades (big, plastic, tons of smoke, and shaped like a big pineapple grenade from WWII). No fuse, pull a string and plenty of smoke for a theater - the kiddies got one for Independence day. In an enclosed space, it would have worked very well.

[Travis McGee]

That’s the most likely avenue.