Arson suspected in Fla. wildfires

Jan. 17: NBC's Michelle Kosinski reports on the latest developments in the case of teenagers suspected of beating three homeless men. One of the men died; the teens have turned themselves in.

July 24: The family of 2-year-old Caylee Anthony has new hope after a woman reported seeing a girl resembling Caylee earlier this month. NBC’s Ron Mott reports.

August 6: A senior member of al-Qaida, who was among 12 suspected al-Qaida operatives arrested in Britain, was suspected of conducting surveillance that led to the recent terror alerts in the...

Oct. 18: Election fraud is suspected in certain areas of Iraq where election workers reported an "unusually high" vote count in the referendum on the draft constitution. NBC's Campbell Brown reports.

July 23: NBC’S chief legal correspondent, Dan Abrams, weighs in on the case of Florida toddler Caylee Anthony, whose mother took more than a month to report her disappearance.

July 24: Cindy Anthony, grandmother of missing Florida 2-year-old Caylee Anthony, tells TODAY’s Meredith Vieira there have been two sightings of the toddler. Jose Baez, an attorney for Caylee’s...

March 15: The suspected mastermind of 9/11 confesses to that attack and a string of others. NBC's Jim Miklaszewski reports.

July 23: Prosecutors and police now fear that Florida 2-year-old Caylee Anthony may have been killed. Her mother has been named a “person of interest.” NBC’s Ron Mott reports.

Feb. 7: Citrus County, Fla. Sheriff Jeffrey Dawsy talks to "Today" show anchor Lester Holt about the arrest of two Florida parents who allegedly tortured their children.

Sept. 22: Authorities are investigating the death on Wednesday of a 2-year-old Idaho boy in connection with the nationwide spinach E. coli outbreak. NBC's Peter Alexander reports.