The Finger of Suspicion

The Finger of Suspicion is a side quest in Fallout: New Vegas.

Synopsis
Martina Groesbeck, a Legion informant, is being hunted down by the Omertas for her suspiciously frequent visits to their casino, and Vulpes Inculta cannot lose such a valuable informant.

Walkthrough

 * 1) Talk to Vulpes Inculta in Caesar's tent.
 * 2) Travel to Vault 21 on the New Vegas Strip.
 * 3) Deal with the three Omerta thugs, either by killing them or convincing them to leave with a Speech of 50.
 * 4) Talk to the Martina Groesbeck.
 * 5) Return to Vulpes.

Behind the scenes
The title of the quest is a cultural reference to the song "The Finger of Suspicion (Points at You)", published in 1954.