You can only have one first born child. You may love all your children deeply and with passion, but there is something unique about the first born.
It's rather naive, apart from being ethically objectionable, to assume that our investigators travel around the country with bags of money trying to bribe witnesses to lie on the witness stand. We just don't operate that way.
If you are foolish enough to be contented, don't show it, but grumble with the rest.