The Barrow Cache, with speculation on the Reason for the WK sending

[Sarumian]

Originally Posted by PrinceOfTheHalflings

The same could be said about sending all of the the Nine to look for "Baggins". A bit like sending nine James Bonds to do the work of one average spy.

In that case their true aim was not Baggins but The Ring. We know that Sauron could not trust anyone else in the matter of handling The Ring.