4 blue candles
a goblet filled 3/4 of the way with water
a quite, undisturbed place
This is a basic spell to locate anyone no matter where they're at. Put the 4 candles around you- one north, one south, one east, one west. Light the candles and the incense. Sit in the center of the candles, facing west. Put the goblet in front of you. Invoke the element of water.
Repeat 4 times:
Let the water show the location of (person's name)