On March 22, Officer Brian Cappell’s training kicked into high gear to save the baby. He was flagged down on the street by 10-year-old Aria, who told him her sister was choking.
Cappell followed Aria to the car and remained calm. He flipped the baby over and methodically struck her on the back until she started breathing.
Now, the Culver City cop is being hailed a hero.
Inside Edition spoke with grateful mom Janet Lockridge.
"He really was our hero," Janet told Inside Edition. "He really, really was our saving grace."
Little Harley has fully recovered after the harrowing incident.
CPR expert Scott Caruthers spoke to Inside Edition about what to do in a crisis like the one this family faced.
He said first “make an ‘"L" shape with your hand and put it under the jaw to support the baby's head, neck and spinal column.
Then, turn the baby over with the head lower than the rest of the body. Use the heel of your other hand to deliver five sharp blows between the shoulder blades. Then turn the baby back over and give the baby five thrusts in its chest with your fingers.
Keep repeating the back blows and chest thrusts until help arrives.
In Harley’s case, just a few back blows allowed the baby to breathe again.
The family and the officer were reunited at a council meeting in Culver City, California, where he was honored Monday.