31.   Authorities earlier had believed drugs contributed to the wreck.

32.   Authorities at first believed the engineer may have suffered a heart attack.

33.   Authorities believe Almihdhar left the country.

34.   Authorities believe Columbine students Eric Harris and Dylan Klebold carried out the massacre and then killed themselves.

35.   Authorities believe DeMartinis employed a number of other student athletes as bookmakers.

36.   Authorities believe Goldberg returned to Israel in late January.

37.   Authorities believe he fell off his yacht and drowned.

38.   Authorities believe he rides freight trains around the country because all the crimes in which he is a suspect occurred near railroad tracks.

39.   Authorities believe he was working with al-Qaida terrorists planning to spread nuclear radiation through a conventional bomb attack on a U.S. city, possibly Washington.

40.   Authorities believe Saeed returned to Pakistan last year.