The invasion of Israel by the Islamic extremist terrorist group Hamas was well-orchestrated at a border called the Gaza Strip. Here in the U.S., at least 4 million people have crossed illegally, a large number young men, convicted criminals, and even terrorists. When a fraction of them started ending up in New York, it finally captured concern among many who had promoted it as a sanctuary state. And now, the city hardest-hit by the last large-scale terrorist attack on America finds growing calls to deal with the threat within. Lisa Fletcher reports from New York.
