Mary Margaret deserves to be locked up, Regina believes. Watch this Once Upon a Time clip from the episode "Stable Boy" and enjoy a heated exchange between the enemies.
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Barbara Hershey is featured in this clip from Once Upon a Time, as we get an idea of what made Regina into the woman we know today. It's her mom!
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Barbara Hershey comes on board Once Upon a Time this week, playing Regina's mom and revealing a great deal about that character.
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Once Upon a Time Season 1 Episode 18 Quotes

They say only the guilty sleep in prison.

Regina

We all know what happens to people who attempt to leave town.

Mr Gold