The gospels are not eyewitness accounts. To quote Bart Ehrman:
"The eyewitnesses would have been Aramaic speaking peasants almost entirely from rural Galilee. Mark was a highly educated, Greek speaking Christian living in an urban area outside of Palestine (Rome?), who never traveled, probably, to Galilee. So the existence of eyewitnesses would not have much if any effect on his Gospel.
The same is true, even more so, with the later Gospels. Luke begins his Gospel by saying that eyewitnesses started passing along the oral traditions he had heard (Luke 1:1-4), but he never indicates that he had ever talked to one. He has simply heard stories that had been around from the days of the eyewitnesses. And if the standard dating of his Gospel – and Matthew’s – is correct, they were writing about 50 years or more after Jesus’ death. John’s Gospel was even later.
My sense is that most of the eyewitnesses (and who knows how many there were?! Hundreds? Probably not. Dozens?) had died before the Gospels were written; those that survived were carrying on their lives in rural Galilee or Jerusalem. And the Gospel writers, who never say they consulted any of them, probably never did consult with any of them. The Gospels are based on oral traditions that had been in circulation – and changed as a result – for decades before the Gospel writers had even heard them.
And as anyone knows who has been subject to oral traditions – this would include all of us – the stories told about a person can change absolutely overnight! It happens all the time. What happens, then, to stories in circulation for 40 or 50 years, in different countries, told in different languages, among people who never laid an eye on an eyewitness or on anyone else who had? My sense is that the stories get changed, often a lot; and many of the stories simply get made up. It’s just the way it happens And it can be shown to have happened with the Gospels, since the same story is often told in very different ways. Every historian will tell you: evidence matters!"
ehrmanblog.org/question-about-eyewitnesses-and-the-gospels/
I invite you to read his two books “Jesus interrupted” and “Forged”. But if you do, you will be depressed when you read refutations/reviews by conservative Christians, because then it will become obvious that these reviews and refutations are not intended for those who have actually read the books, but to give people who have not (and will not) the impression that “it has all been refuted”, when in fact they only touch upon peripheral points.