Antonio Giorgi, a wrote a book in 18th century . The book is about how Krishnas story is corrupted form of bible. He went on to say that even Bhagavatgeeta is borrowed from new testament. There are striking similarities between them and it suggests that one is only a copy of other.
There has been a huge debate over this book and many scholars joined the debate.
They were looking for proofs ouside the bible and Bhagavatha and finallt got one
Sometime in the third century BCE, Meghasthenes journeyed to India. His book Indica mentioned Krishan Bhakti movements.
The answer is obvious. Bible stories are copied from Bhagavatha.
Read full story at burningcross dot net and go to the article borrowing theory.