I agree with your statements. It is the job of the lawyer to but up the same vigorous defense, regardless of his belief of the clients innocense or guilt. It is the system (judge or jury) that will decide the outcome.
A lawyer must not lie and cheat to sway the outcome however. I believe that Hillary is quite capabe of lying and cheating to achieve an outcome. Or maybe she just doesn't know the difference.
...but to laugh about it -on an open mic to boot??