Because there are at least four different articles with the same headline, one from MSNBC, another by Fox News, this one from The Guardian, and an identically-titled Reuters wire service dispatch, with differing text and all apparently by different authors.
Until such time as the search engine at FR can accomodate a search that includes the author, the only other way I know of to differentiate such stories is by date- and when they're breaking, it's probable that they'll all be entered on the same day.
Likewise, expect that some initial *flash reports* from FReepers who catch breaking TV news reports or have access to wire service copy will likely slug such breaking news items the same way, just as any editor or newsman might. That alerts other FReepers to the existance of the story, and subsequent developing reports are thereby compiled in one place as corrections to erronious early reports or changes occur.
-archy-/-