Dr. Marcy Leighton

The fact that it was a media site was really concerning to us.

The fact that it was a media site was really concerning to us.

So part of the response at NBC that Friday was to try and find what the source of exposure was. So that letter, there was an intensive investigation done by NYPD and FBI.

So part of the response at NBC that Friday was to try and find what the source of exposure was. So that letter, there was an intensive investigation done by NYPD and FBI.

We did find a second case relatively quickly. The person who actually opened most of the letters had a lesion that was not obvious. That was the second case at NBC.

We did find a second case relatively quickly. The person who actually opened most of the letters had a lesion that was not obvious. That was the second case at NBC.

So by the end of that one day that started at 3 o'clock in the morning, we had evidence of anthrax at four other media sites in the city.

So by the end of that one day that started at 3 o'clock in the morning, we had evidence of anthrax at four other media sites in the city.