Her husband killed himself after losing millions to Bernie Madoff — but now his wife is blaming the shrink. The widow of a hedge-fund executive Charles Murphy, 56, whose fund at Fairfield Greenwich lost $50 million in the epic Ponzi scheme revealed in December 2008, filed suit in Manhattan Supreme Court Wednesday against NYU Langone Professor Aaron Metrikin. In court papers Annabella Murphy accuses the psychiatrist of failing to prevent her husband’s suicidal tendencies.