"Andrea Saul, a spokeswoman for Facebook, said she had no specific comment on the Chicago incident but that the company took its “responsibility to keep people safe on Facebook very seriously”. "“Crimes like this are hideous and we do not allow that kind of content on Facebook,” she said." Then why did another rape happen and get broadcasted on Facebook Live? "Investigators know the number of viewers because the count was posted with the video. Investigators would have to subpoena Facebook to find out who they were and would need to “prove a nexus to criminal activity” to obtain such a subpoena, police said.