It is the profane and malignant Karna who is mainly responsible for all the evils that have been done to you by Dhritarashtra's son.
यच युष्मासु पापं वै धार्तराष्ट्रः प्रयुक्तवान्॥ तत्र सर्वत्र दुष्टात्मा कर्णः पापमतिर्मुखम्।