Answer:
Sancho.
Explanation:
Sancho and Bolsa, are sent to a restaurant called The Purple Cow, when they get there they are given a table and menus to look at, and told their waitress will be there. While they are waiting Sancho and Bolsa talk amongst themselves and decide who will ask questions about William Morningstar. A waitress named Robin came to take their order and Sancho asked if she knew William. She proceeded to tell the men how she knew William and where he may be hiding out.