1.   The mystery hero immediately alerted police after spotting a bomb.

2.   A security guard who spotted the bomb in the park remains a suspect.

3.   The track record is especially troubling because the FAA has often made the test bombs easy to spot, says Mary Schiavo, the former Transportation inspector general.

4.   They spot the bomb, but it goes off anyway, shearing off half of a government building.

5.   You spotted the bomb and moved people away before it exploded.

6.   Police and security officers spotted five bombs, which were allegedly to be used in an attempt to assassinate Zavgayev, the Interfax news agency said.

7.   After two weekend attacks killed five people and injured dozens more, police said Saturday they are launching a program to help Ugandans spot bombs planted in public places.

8.   He was initially hailed as a hero for spotting the bomb before it detonated, but later came under scrutiny.

9.   He was initially hailed as a hero for spotting the bomb before it detonated, but later came under scrutiny by the authorities.

10.   Jewell was initially hailed as a hero for spotting the bomb before it detonated, but later came under scrutiny by authorities.