Watch the emotional reunion between two police officers

New York City police officer Sally Zheng, who patrols the city’s subways, received a surprise visit while waiting in roll call recently.

Waiting to see her was retired officer Ralph Torres who helped Zheng when she was placed in foster care 20 years ago. She had not seen him since that day.

Watch their reunion and learn why, although they had only met once, he was such a large influence on her life.

This story was originally published June 1, 2017 at 2:23 PM with the headline "Watch the emotional reunion between two police officers."