District of Columbia v. Armes, 107 U.S. 519 (1883)
U.S. Supreme CourtDistrict of Columbia v. Armes, 107 U.S. 519 (1883)
District of Columbia v. Armes
Decided May 7, 1883
107 U.S. 519
1. In a suit against a municipal corporation to recover damages for injuries received from a fall caused by a defective sidewalk which was in an unguarded condition, it is competent for the plaintiff to show that whilst
it was in that condition, other like accidents had occurred at the same place.
2. A person affected with insanity is admissible as a witness, if it appears to the court, upon examining him and competent witnesses, that he has sufficient understanding to apprehend the obligation of an oath and to be capable of giving a correct account of the matters which he has seen or heard in reference to the questions at issue.