When video evidence of hallway drug deals began to mount, he told the police department to take action.

Over the next two decades, however, evidence began mounting that the effect might be real.

The evidence is just beginning to come in.

The evidence began with a slowed response at her computer terminal.

Despite the growing knowledge of the field, reliable evidence didn't begin to appear until the 1970s.

Hard evidence of the weather's impact on the economy is only beginning to trickle in.

Archaeological evidence for Christian communities begins to appear in the 3rd and 4th centuries.

Almost at once, the evidence began to throw up anomalies.

"I don't want to give this too much drama, but I think evidence of it is really beginning to show up."

Direct evidence for the Easter festival begins to appear in the mid-2nd century.