How Do We Verify the Validity of the Gospels?

For more details, read Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels (http://amzn.to/2AW8bc5).

READ: Unbelievable? 4 Simple Principles to Determine Ancient Historical Reliability https://coldcasechristianity.com/writings/unbelievable-four-simple-principles-to-determine-ancient-historical-reliability/.

J. Warner Wallace, author of Cold-Case Christianity, was talked to by Bobby Conway (The One Minute Apologist) and went over the 4 part template we utilize to identify eyewitness reliability. Can this template be used to the Gospels?