11.   Two officers then noticed Ms. Colon, a mother of two boys, pacing back and forth.

12.   When after a month the press officers noticed he took a lot of notes but never filed stories, they politely asked him to leave.

13.   Police said the chase began after officers noticed a car being driven erratically.

14.   Harris took police to a seventh-floor apartment where he said he lived, and officers noticed marijuana on a living room table, Morgenthau said.

15.   He complied, but the officer noticed the smell of alcohol and asked Johns to submit to a field sobriety test, Vidil said.

16.   He was arrested after the officer noticed McVeigh was carrying a gun.

17.   The officer had noticed signs of unusually heavy traffic in the area.

18.   They were detained after immigration officers noticed that the photographs in their passports did not match their faces.

19.   Worse, authorities say, the officer never noticed.

20.   The arrests followed a police operation begun last Thursday, after officers noticed suspicious movements indicating that a delivery of hashish to Britain might be imminent.