Possible Clues:

• Sequence of reinforcing events
• Logical loop
• Cruel group of people that perpetuates a problem
• Worsening situation of cause and effect
• Process in which evil is aggravated as a result of its own consequences
• Death spiral?
• Trouble that aggravates the first problem (2 words)
• Wicked group that keeps getting worse?
• Reciprocal cause and effect sequence
• Wicked group in situation worsened by attempt to solve it