The Montgomery County jury deciding Bill Cosby's criminal case posed a fundamental question on its fifth day of deliberations: “What is reasonable doubt?”

Jurors submitted the question Friday at 9:11 a.m., after deliberating 40 hours since Monday afternoon. The jury had informed the court Thursday morning that it was deadlocked, and Judge Steven T. O'Neill read them an Allen charge, encouraging them to continue working toward a decision.

O'Neill answered Friday's question by reading the standard jury instruction on reasonable doubt: