It is illegal for followers of Jesus to evangelize Muslims in Iran. 7 Iranians and 2 foreigners (possibly British or American) were arrested for trying to win Iranians to Christ.
Iran Arrests 9 Christians for Evangelism, Reports State Media
These brothers in Christ were simply being obedient to the Lord Jesus Christ.
Mark 16:15 And he said unto them, Go ye into all the world, and preach the gospel to every creature.
Since it is not illegal for us to share the gospel in the United States, let's get the word out. We do not risk going to jail like these brothers did!