Are the gospels reliable as historical accounts? One line of evidencing bolstering their claims are coincidences between them which were not designed, for instance where one gospel incidentally fills in gaps in what another has reported.
Prof Tim McGrew is an authority on 'evidence', being known as an academic in the field of the philosophy of science. He is also one of the world's foremost experts on historical Christian apologetics (i.e. past apologists) and particularly, apologetics which makes use of historical argument to show the plausibility and truth of the gospel and related claims about Jesus.
This 10 min youtube clip is worth watching, at least taking a peek at to get the gist.
Or for a paragraph summary of the idea, see here: http://historicalapologetics.org/blunt-john-james/
More on this after exams perhaps.