As Adam placed his cards back on the table as a sign of giving up this turn, he couldn't help but observe and hear the discussion that was going on between the two brothers that owned this casino.
'I guess they didn't become big bosses of this grand establishment for nothing.'
In his initial plans, he was going to win as much as possible, at least until he was not allowed to, then make sure that they attacked him to give as an excuse for totally wiping them out.
Like this, when their extermination was revealed to the supernatural side of the world, people would simply think that they had finally messed with the wrong crowd, someone they should have never crossed, and thus wouldn't be able to link the destruction of this establishment and its owners with the death of Williams in any way, shape, or form.
'Well. Should I just kill them then? Make it as obscure as possible?'