TODAY's Takeaway: School stabbing witness 'stunned'; 'Burger King baby' reunites with mom

Gracey Evans recalls Wednesday's school stabbing, Katheryn Deprill says meeting her mom was exciting and awkward and Natalie breaks a Guinness World Record.

1. Two students who helped treat their friends in Wednesday’s massive school stabbing in Pennsylvania said they’re still stunned by what they witnessed.

“I didn’t get a wink of sleep last night because I’m so traumatized,” high schooler Gracey Evans told Savannah.

2. Katheryn Deprill, who took to Facebook to find the birth mother who had abandoned her as a newborn in a Burger King, told Savannah that meeting her mother after 27 years “was very exciting, just lots of emotions… and actually, it was kind of awkward." The pair talked to Guthrie in an emotional TODAY exclusive interview.

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‘Very overwhelming’: ‘Burger King Baby’ reunites with birth mom

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‘Very overwhelming’: ‘Burger King Baby’ reunites with birth mom

Play Video - 6:28

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3. While promoting his new book, “The Last Days of Jesus,” Bill O'Reilly argued that the life and death of Jesus Christ should be taught in public schools.

“You shouldn’t have to seek it,” O’Reilly told Matt. “It’s a part of our history and a part of our heritage.”

Do you agree with O'Reilly? Tell us on Facebook.

4. As part of our Spring Breakers TODAY series, Natalie joined more than 350 other participants on the plaza to set the Guinness World Record for “Largest Exercise Ball Class.” (Spoiler: They did it!)

5. Mashable’s Lance Ulanoff told Matt about a new bug called “Heartbleed” that’s left major websites vulnerable to hackers. Find out how to protect yourself.

And that’s TODAY’s Takeaway!