Cue Twilight Zone Music

"...a police source told the Chronicle that a footprint was found on a metal fence surrounding the enclosure, leading to speculation that someone climbed it, dangled an arm or leg over it and Tatiana grabbed the limb and used it to help climb out.

Also, pinecones and sticks that may have been thrown at the tiger were also found in the moat, according to the paper.

Hanna also wondered if visitors might have been goading the animal or even helping her get out by putting a board over the moat.

"Were they taunting the animal? Were they throwing things that were making it angry?" he asked."

Yes. The Incredible Hulk was on hand to dangle a limb and assist the tiger in escaping. Right after the board-that-then-disappears trick didn't work. And before you go, figure out the following for me will ya...

"It was not the first attack on a human involving Tatiana. Last December, she ripped the flesh off a zookeeper's arm while she was feeding him for the public through the bars of her cage."