The idea that the gospels were written by eyewitnesses (or were a step removed) is popular, but where’s the evidence?
Here’s a brief video rebuttal (best when viewed Full Screen).

This kind of project is new for me, so let me know what you think.
I’ve discussed this topic before, and that blog post has references.

The most savage controversies are those about matters
as to which there is no good evidence either way.
Persecution is used in theology, not in arithmetic. 
— Bertrand Russell