§ 18–103. Execution of written will; attestation.
A will or testament, other than a will executed in the manner provided by section 18-107 or Chapter 9 of this title, is void unless it is:
(1) in writing and signed by the testator, or by another person in his presence and by his express direction; and
(2) attested and subscribed in the presence of the testator, by at least two credible witnesses.