Most scholars say the Gospels were not written until the mid AD 60s. Is that right? 

This podcast describes why they think that, and gives suggestions as to why the Gospels may have been written

For full text, see here:  https://landandbible.blogspot.com/2024/05/when-were-gospels-written-historical.html

Resources:

Link to Fuel Youth Camp Registration:

Podcast describing Fuel Youth Camp: https://www.youtube.com/watch?v=l7VPCLbVDD0

UCA Conference Registration:

JAT Robinson, Redating the New Testament.