Sam Warrick

This person is found around the wasteland in a random encounter. He was alone when found, and did not move. He is hostile to both good and evil karma rated players and carried a Sniper Rifle, caravan gaurds do not kill him but do chase him, he can be made into a slave, you get paid 250 caps for him at Paradise Falls, he can be dispatched and looted. It is impossible to converse with this NPC unless you confuse him using the Mesmetron.

As a random encounter he has been spotted at a number of locations (see Fallout 3 random encounters). In one case he even appeared suddenly in the back area of the town of Arefu (which cannot be accessed from behind, since it is situated on the edge of a broken down freeway) and stayed there forever.

There is a "Hollowed-Out Rock" nearby where he can sometimes be found behind Megaton that also contains a Sniper Rifle, some other goodies and a note, from "E" to "S".

He will always be hostile, so feel free to defend yourself and kill him (no karma loss). He also drops a finger as any other evil character, used to collect bounty. It is however possible that he not even takes note of you and attacks only if you activate him, that is, talk to him.

Loot
note: Sam has been seen wearing a Merc Cruiser Outfit several times on the same machine, with different characters (Xbox360) All characters (3) were level 2-3. He was seen outside Farragut West Metro Station after attacking the raider by the 2 parked cars.
 * .308 Caliber Round
 * Baseball
 * Baseball Glove
 * Combat Knife
 * Jet
 * Leather Armor
 * Sniper Rifle
 * Sunglasses
 * Merc Cruiser Outfit