How does the children's understandind of whom the drivers of the caravan of cars were looking for different from TJ's explanation of whom these men were after?

THe Children think that the "night men" (angry white men looking for black people) are after them because of the school-bus incident (they cursed the bus as it drove by). TJ says explains that the night men were angry because a black man called one of them a liar. The Logan children are relieved that the trouble wasn't about the bus.