Possible Clues:

• Ruddy criminal keeping lips sealed
• Against coating lips a shade of red
• Colour of deep blushing?
• Red skirts carried by prisoner
• Like a cricket ball to deceive, catching edges
• After wrongdoing shortly boy is embarrassed
• Flushed
• Flush villains in operation
• Ivy League color
• See the Border, my boy, and that's enough to make you blush