He dedicated his life to helping others. Tonight the U.S. ambassador to Libya and three other Americans are dead.
The violence happened in Libya, amid outrage over a film mocking Islam's profit.
The Israeli filmmaker is based in California.
Tonight he's in hiding.
In the film, seen on YouTube, it ridicules Muslims and depicts the prophet Mohammed as a child molester, womanizer and ruthless killer.
This tragedy raises questions about the safety of our diplomats.
And it also has taken center stage in the presidential race.