A Pinecrest Police officer is accused of failing to render aid at the scene of a deadly accident. She’s now taking criticism for not helping the man and woman who died.A driver struck two University of Miami graduate students, Ying Chen and Hao Liu. Off-duty Miami Police Sergeant Javier Ortiz happened to be in the area and came upon the scene immediately.“I jumped out of my car, I have a defibrillator, and checked the vitals on both victims. I immediately started CPR on the female. It was just me. I had no one to work on the male and I was waiting for help to arrive,” said Ortiz.A dash camera from a Pinecrest police car shows the first possible help arriving, Pinecrest Officer Ana Carrasco. The video shows a blood covered Ortiz administering CPR to the female victim. Officer Carrasco gets out of her car and approaches.“I told her that the male was not breathing and had no pulse and she needed to turn him over and start CPR,” said Sergeant Ortiz. “I got no response. She just stood there,” added Ortiz.The dash camera video showed the officer standing with her hands in her pockets watching Ortiz try to help the stricken female student.Ortiz said he begged her to help. “I said it again and again and again,” Ortiz said. “There were people, civilians, yelling at her to please do something and she did absolutely nothing.” In recorded statements, witnesses said Officer Carrasco did not help the victims.More on this story miami.cbslocal.com/2014/02/06/video-officer-failed-to-render