大象传媒

In the aftermath of the school shooting in Ulvade, Texas, former Secretary of Homeland Security, Jeh Johnson, speaks to the 大象传媒's Laura Trevelyan and says America needs a game changing 'Emmet Till' moment when it comes to confronting US mass shootings through photos.

Johnson is refering to the open casket funeral and release photos of the body of 14-year-old Emmett Till, after he was lynched 1955. The moment sparked change in the civil rights movement.