A Southwest Missouri woman said to be a "well known person in the ISIS Twitter scene ," was arrested on Thursday after making threats to FBI agents, and posting personal information about them, as well as United States Army, Navy, Air Force and State Department employees on social media. She also posted a threatening photo of President Obama and tweeted that a female media personality "would be better off without her head." According to the complaint affidavit, Safya Roe Yassin, 38, of Buffalo, Missouri, maintained dozens of Twitter and Facebook accounts where she posted pro-Islamic State propaganda and threatening...