Mail bombs don’t need to explode to be destructive

This week, federal authorities have been investigating a series of bombs sent through the mail to high-profile critics of President Trump, including Barack Obama and George Soros. Two more, sent to Sen. Cory Booker (D-NJ) and CNN, were discovered this morning.No suspects have been officially named, but the development continues to dominate the headlines. The Verge spoke to John Horgan, a terrorism expert at Georgia State University and the author of The Psychology of Terrorism, about the goals