But they did not identify the cause of the problem until 1974.

The cause of his death was not identified until 1987.

American investigators did not identify these men until much later.

But the officials would not identify the winner until today.

She refused to identify the two in the car until yesterday morning.

Wait to identify the bird until 24 to 36 hours after it's been published.

The authorities said some might not be identified until Monday.

It was not identified as a distinct species until 1991.

She would not be positively identified, however, until February of the following year.

First collected in 1923, it was not identified as a distinct species until 2007.