What does any of this have to do with having a "chain of evidence" involved? Chains of evidence (custody) are used to prove physical evidence wasn't tampered with by a malicious intermediary.
> In fact that 'false dilemma' is not a real argument at all. "You're either with us or against us!" "She criticised Capitalism; she must be a Communist!" "Marriage or career, a woman can't choose both!"
Seriously, are you drunk?