We've already been over this, Dilbert.<quoted text>
Well, that's probably because they were different people with different perspectives and may not have all witnessed the exact same parts of everything. Two people can see and write about the same thing they see in different ways, that's why in a Court Case for example, the more witnesses available the better the case will be, from different perspectives of the same event, a clearer picture can be made.
Remember the synoptic problem?
But if you insist....