1.   Also unclear is whether the Bostonians were targeted because four of them are police officers and a fifth works for the Police Department as an emergency operator.

2.   An air traffic controller is sorting and analyzing complicated spatial-visual information, while an emergency operator is dealing with high-stress interpersonal contacts.

3.   Air traffic controllers, for example, have different kinds of stresses than emergency operators.

4.   Emergency operators from New York to Virginia received a flurry of calls Tuesday evening from people asking about a flaming streak in the sky, traveling east to west.

5.   Emergency operators are trained to coach callers in CPR.

6.   Questions from family and friends continued to flow into city and county emergency operators Monday as rescues continued throughout flooded areas.

7.   Todd Beamer called an emergency operator from the plane to tell her that the passengers of the flight would try to stop the hijackers.

8.   When Dayton Police emergency operator Janette Webb called her Halloween morning, Conner thought it was a hoax.

9.   Police Chief Beverly Harvard has insisted that the emergency operator was merely following a time-consuming protocol.

10.   At a news conference, Harvard was asked repeatedly why the emergency operator had not immediately notified police at the park.