Sister Mary Madalyn Schleifer, a store owner in Pittsburgh, is known for her fearless approach to confronting thieves.

Recently, she sprang into action when a shopper's credit cards were stolen after being left unattended.

Without hesitation, Sister Mary chased down the thief and successfully retrieved the cards.

"You don't think about it. No, there's no why. It just happened, it happened so fast," Sister Mary said.

She told KDKA that she believes that even those who commit crimes can be changed.

"I just think she was misled," she said about the thief.

In another incident, a man stole an expensive necklace from her store.

"As he was walking out the door, and I started following him, he turned around and says, 'I don't wanna have to shoot you,' and I said, 'Listen, all I want to tel

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