Trollocs attack the village. But only three farms were attacked. From the first book:
Moiraine;
"Purposeful. The Trollocs did not come to Emond's Field by happenstance, and they did not do what they did for the pleasure of killing and burning, however much that delighted them. They knew what, or rather who, they were after. The Trollocs came to kill or capture young men of a certain age who live near Emond's Field."
"Master Crawe's house was not even damaged," Moiraine said, "and the miller and his family slept through half the attack before the noise awoke them. Ban is ten months older than you, and Lem eight months younger." She smiled dryly at Rand's surprise. "I told you I asked questions. And I also said young men of a certain age. You and your two friends are within weeks of one another. It was you three the Myrddraal sought, and none others."
"In one of you," Moiraine said, "or all three, there is something the Dark One fears."
----
We're done here.