You forgot 'probability that your opponent reasons matters like this out rationally', which is a big one I think.
See also: Tiger King. Which is probably the best citation and the best thing I'll type all day.
For them, `p[c] = probability of getting caught` expands to a[c] = probability of getting caught a[b] = probability of there being no repercussions despite getting caught.
But if we're gonna base today's lesson on how to get away with murder on the show Tiger King, the two step lesson it teaches is: 1. own a tiger sanctuary. 2. feed your husband to the tigers for lunch.
There are exceptions to everything but I think in general the more erratically somebody behaves, the more you should be concerned.