The brother of Pamela Cisneros has spoken out about his sister's life and long-running mental health struggles after police said she fatally stabbed Bank of America vice president Erin Piacenti in a random Times Square attack before being shot dead by NYPD officers.
Patrick Peralta, 59, said his family is struggling to understand what happened to Cisneros, 49, whom he described as a mother of three with a master's degree in psychology. He said she had dealt with mental health difficulties for decades but appeared to have been doing better in recent years.