Possible Clues:

• Unpleasant repetition
• Situation where all attempts to solve a problem make it worse
• Apt address for hit men?
• Catch-22 is savage in a roundabout way
• Depraved band from which there's no escape
• Worsening situation here in France, stopping you, in Paris, meeting group of friends
• Situation where attempts to solve a problem only compound it
• Situation in which attempted solutions aggravate the original problem