Silus

 is living in the Mojave Wasteland in 2281.

Background
Silus was an officer in Ceacars Legion. But during an NCR attack wich he lost he didn't commit suicide like normal legionares would, but decided he could stand a chance to escape captivity without revealing any information about Ceasars plans. The playe can try to interogate him at Camp McCarren during an unmarked side quest

Appearances
appears in Fallout: New Vegas.