It's the dramatic moment a police officer rushes to save the life of a choking baby. Dashcam video shows the cop chasing the family down and signaling them to pull over. The 11-month-old boy is turning blue and his parents are rushing him to the hospital. That's when the police officer heard the emergency over the radio. New Mexico State Police Officer Mario Herrera hopped out of his patrol car, grabbed the baby and started life-saving assistance.