the thief would be looking for goods with a value no items in particular...
Becuase he is the lightning thief
Mountain Co-op.
Lord Ares made it appear in Percy's Backpack.
a thief
In the Lightning Thief, he gives them a backpack with double stuff Oreos, clothes, & money and the lightnigh bolt was hidden in it.
That back pack, at first, had supplies and stuff (clothes, double stuf oreos, etc.), but It was really a magic backpack. I really don't wanna spoil the book, so just read the rest to find out more.
yellow/black
The thief will most likely be encased in the cement solution, depending on how long the cement is ready to set.
A black guy saying the wort thief
In the first book. Annabeth describes the helm, and when Percy finds the master bolt in his backpack he describes it.
I have Benny looking for him but I guess he/she is not real
A shop lifter or someone looking for the "five finger discount."