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The magician denied claims his partner was to blame, insisting he would do it the same all over again.

The trainer who claimed Roy Horn was at fault for his near-fatal tiger attack is wrong.

So says Siegfried Fischbacher, who spoke about the infamous incident for the first time in over a decade.

In a new trailer for the upcoming season 42 premiere of ABC's "20/20", the magician was asked about the most recent version of events to emerge that placed the blame squarely on his partner.

"No way," he replied.

"If I would have to do it again, I would do everything again the same way. I regret nothing."

On October 3, 2003, in a moment forever ingrained in pop culture history, Siegfried & Roy's world-famous Las Vegas show came to an abrupt and horrifying end when one of their white tigers named Mantacore turned on his owner and almost killed him, right in the middle of a show.

The pair have always maintained that the 400lb animal was actually trying to protect his master, after Horn suffered a minor stroke on stage.

But earlier this year one of the behind-the-scenes tiger handlers, Chris Lawrence, gave his version of events for the first time since the attack. In a lengthy interview with THR, he claimed the German magician had been spending less and less time with the tigers, eroding their bond, right up until the fateful night when he deviated from the routine, triggering the mauling by the 7-foot feline.

He accused his former bosses of staging a cover up, in an effort to preserve their brand; he claimed Roy's stroke was a romanticized version of events put forward by the duo; Roy did suffer a debilitating stroke, but Lawrence insisted it was a result of the attack, not the cause of it.

In the new trailer, obtained by EW, ABC correspondent Deborah Roberts brings up Lawrence's claim, and Siegfried laughs it off with "I know."

The episode, which promises "stunning new details" and a completely new version of events, as well as the full first interview with both Siegfried and Roy in over a decade, airs on ABC this Friday.

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