From a Washington Post Column

 

Other experts warned that more violence may be in store, as acts like Kirk’s killing can lead to a cycle of retribution, in which each side believes that the attacks against it justify a similarly deadly response.

“We are at a very dangerous place in which an act of violence can spur reciprocal acts of violence,” said William Braniff, executive director of the Polarization and Extremism Research and Innovation Lab (PERIL) at American University. He added, “Rhetoric that dehumanizes different views or different orientations or different religions creates a permission structure for violence.”

SOURCE: HERE.