When a will is canceled or destroyed by any other person than the testator, the direction of the testator, and the fact of such injury or destruction, must be proved by two witnesses.
Okla. Stat. tit. 84, § 102
Proof of destruction
R.L. 1910, Sec. 8359
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.