It couldn't happen here, some suggested, because of Europe's different view of the purpose of accounts and of the role of chief executives.

ECONOMIST: Enron: one year on

Mr. JEROME BETTIS (Pittsburgh Steelers Running Back): I think the script right now, you know, if somebody sent it to Hollywood they would turn it down because they would say it couldn't happen.

NPR: Steelers Return to Glory with Super Bowl Win

It couldn't happen to you, though, right?

FORBES: Magazine Article

And it couldn't happen for years.

BBC: Bottles

It couldn't happen any other way.

FORBES: Get Briefed: P. Brett Hammond

It couldn't happen to you.

FORBES: Magazine Article

It's something I couldn't even dream would ever happen but luckily it has.

BBC: Golden swimmer with a will to win

An investigator couldn't just happen upon it as part of a general trawl for allegations against Savile.

BBC: The missed chances to get Jimmy Savile

"I just thought this couldn't happen, but I had to believe it and I just thought I'm never going to see her again, " said Katie, whose parents asked that her last name not be used.

CNN: Coping with loss, children find comfort in each other