Washington, Dec 19 : American idol judge Simon Cowell has said that former contestant Paula Goodspeed''s death left him shocked.
He insists that the tragedy has hit the judges "like an express train".
"What happened was awful. My regret in all of this was that we didn''t know how troubled this person was," Usmagazine. com quoted Cowell as saying.
"If I could''ve gone back in time and known what she was going through, I wish that we could''ve spent time trying to help her, but we genuinely didn''t know.
"It''s a human tragedy. It hit us like an express train," he added.