How about ... "Judas was a thief?" That IS supported by the text. He betrayed the Lord for 30 silver, that IS supported by the text.
The Gospel of Judas, is a manuscript accepted by Pope Benedict, (but gives it no credence,) that was written before the gospels, and tells a different story.
also,
St. Luke & St. John suggest that judas didn’t gradually over time become a “non-beleiver”...but rather “Satan came to him”.
I think the movie (and play) Jesus Christ Superstar hit upon a convincing portrait of Judas. In that piece, he was depicted as someone who saw Christ as a great Community Organizer. He did not accept Jesus as being divine, and thought "the message" was to "help the poor". So, I think that's a good way to think of Judas. He was a typical lib who worshiped a community organizer but not the Son of God; and he was not averse to skimming off the top like a any libtard would do.