Are the gospels reliable? (idea)

Long answer: To say the any sort of historical account is reliable, there is a certain amount of scrutiny that the gospels they must stand up to.

• The sources must be trustworthy: Are the gospels written by the people they're attributed to?
• The gospels should be exclude including any before the truth becomes distorted: When were the gospels written?
• The gospels were definitely written with some intention, but Are the gospels unfairly biased?
• Obviously, there are those who oppose the teachings of the Bible. So Do the gospels hold up to scrutiny?
• Sort of related, is How was the Bible canonized?.