1.   A senior law enforcement official quoted by The Associated Press said someone who recognized Iniguez from the sketch tipped authorities to his whereabouts.

2.   A tip to police in Burbank, Calif. two months ago tipped authorities to Taylor.

3.   Someone tipped school authorities, who then called police.

4.   Police arrested Paul Matthew Patterson at his home Wednesday evening after authorities were tipped that he was wanted in Allen County, Ky.

5.   A jailed Cali cartel kingpin tipped authorities off to the whereabouts of his wheelchair-bound half brother, who was arrested on suspicion of drug trafficking.

6.   A former mob member assisting prosecutors tipped authorities to the explosives in the hulk of the merchant ship Laura C.

7.   A gun dealer tipped authorities after Steitiye allegedly gave false information while trying to buy a weapon and refused to return a purchase application form.

8.   A student tipped authorities.

9.   Authorities were tipped by a government source about a series of meetings where the scheme was hammered out, Gordon said.

10.   He said a witness tipped authorities to Roach and Harris, but he refused to release further details.