Ex-FTX exec was ‘horrified’ last year when he learned of $13 billion shortfall

NEW YORK — A former FTX executive and onetime billionaire testified against the cryptocurrency exchange’s founder, Sam Bankman-Fried, on Monday at his fraud trial, saying his admiration for him faded as he watched excessive spending on investments, property and celebrities precede a $13 billion shortfall that left him feeling “blindsided and horrified.”