Police officers shot and killed the man, identified as Elton Simpson of Phoenix, and his companion Sunday evening, outside the Curtis Culwell Center, at an event organized by theAmerican Freedom Defense Initiative, a New York-based group that also uses the name Stop Islamization of America. The gunfire, which began shortly before 7 p.m., left a security guard wounded.
A man once suspected of seeking to join Islamist militants in Somalia opened fire with another gunman outside a cartoon exhibit and contestdepicting the prophet Muhammad near Dallas, authorities said Monday during a rapidly widening probe into the assault.
Some Twitter posts, including several claiming affiliation with the Islamic State, had appeared in recent days decrying the cartoon event organized by group widely viewed as anti-Muslim. But investigators had made no public connections between the social media traffic andSunday’s attack.
