Making a market in, and subsequently profiting from, the deregistered shares of CMKX was crooked, regardless of what he delivered. It would appear that Deli is in fact a crook.
As for BCIT, the real crook there was Mario Pino, not any of the broker/dealers you mentioned in your post.
"The penny stock investor may be the most dangerous creature in the investment world, at least to himself.[...]His hypocrisy becomes most apparent when he then blames his losses on the greed of others." Robert C. Dugan, Director - JRM Capital