I do. It's an old known fact, several old books written about it.

He was one of those shepardic jews who fake converted to Christianism, stole and cheated with multiple identities and was financed by the wealth of his time to do his plunder.

Several old Spanish books written about Cristóbal Colón ages ago.

And no, they are not pretty reading. He's not the mythical founder of Amreica taught in school.