Only ambiguous archaeological evidence has been found dating from the late Roman period.

Ms. Fairstein is widely viewed as a skilled and fair prosecutor able to sift through such competing claims and perhaps ambiguous evidence.

The Times's review has found that in several cases, they were based on ambiguous statistical evidence and the fragmentary, unsupported testimony of young witnesses.

Fleeing to the Soviet Union is deemed ambiguous evidence.

Many of the specific accusations directed against him were based on insubstantial or ambiguous evidence.

They also tend to interpret ambiguous evidence as supporting their existing position.

Prosecution of Eddie's killer proved impossible due to ambiguous evidence, something she took rather hard.

While the board found the evidence ambiguous enough to avoid recommending the belts, it also was not persuaded to endorse taking them out.

Some call the evidence ambiguous, though I think it's clear enough to conclude that some kind of primitive imprinting process must have been at work.

The trial, which began on Feb. 19 in Philadelphia Common Pleas Court, has produced a knot of ambiguous evidence.