Emily's fight against online predators is making the world safer for children
Former undercover FBI agent Emily Vacher spearheads Facebook's child safety drive, writes Alan O'Keeffe
Emily Vacher snared dozens of men who preyed on children on the internet.
The former FBI agent still feels a special satisfaction for arresting so many people seeking to sexually exploit children.
"There are no stereotypes. One of the first guys I ever arrested had a PhD in physics," she said.