You'll find Moriarty in Moriarty's Saloon (on the southern side of Megaton), but you'll quickly discover that he's a sleazy sort who doesn't do anything for free. Most of the townspeople there won't know anything about your father, but a few (like Walter, Cromwell, and Manya) will recommend that you talk to Moriarty about him. Megaton (#2), which is located to the southeast of Vault 101 (#1). For this quest you'll need to figure out where your father went, and you should start by asking around in