https://www.foxnews.com/politics/former-sanders-campaign-officials-slam-biden-endorsement

This article lists all the punches he pulled to allow Biden to secure the nomination. Unsurprisingly, the campaign officials could not explain why they supported Sanders when he made his support for Biden clear from the very beginning. The number of Trump campaign officials and Trump associates convicted and sentenced by the court reveal the real nature of Presidential Candidate Sander’s campaign, a criminal enterprise from the beginning.