1.   But often it is impossible to prove the source of suspicious items.

2.   By nightfall, no bombs had been detected, though there were two explosions that the police said were deliberate detonations of suspicious items that had been left behind.

3.   Neither the errant passenger nor any suspicious items had been found at that time.

4.   Officials said Tobeler was fingered after a state trooper did a routine check on one of the pieces of equipment and tracked the suspicious item to an auction house.

5.   Residents were asked to leave their mailboxes open and report any suspicious items to the police.

6.   She would not describe the suspicious item or otherwise elaborate.

7.   The suspicious item found on board turned out to be a radio that had been left by a member of a cleaning crew.

8.   There have been several instances of suspicious items at Hartsfield, but none has involved a breach that would trigger an evacuation.

9.   Thirty-nine of the incidents involved suspicious items left unattended, rather than a checkpoint breach, and were not included in the federal tally.

10.   And all buildings are being checked for suspicious items every morning.