The death toll in Las Vegas now stands at 59. More than 500 more people were injured in the shooting and the stampede that followed, but amid the carnage, there are stories of heroism. Gail Davis attended the music festival where a gunman shot people from the the 32nd floor of a nearby hotel. She told CBS News one police officer led her to safety under a tent.
To understand what it means to be a hero, consider Georgia native Shannon Johnson, a graduate of Macon’s Windsor Academy. He died saving a colleague in the 2015 San Bernardino shooting. Friends of the family say Johnson’s heroics were also in his DNA. We talked with his brother, Rob Johnson of Gray, Georgia.
What exactly makes a hero? Do genetics really play a role? We asked professor Zeno Franco of the Medical College of Wisconsin.