After the Iran-Iraq war, the Basij returned to its role as an internal security force to enforce Islamic morality.

CNN: Feared Basij militia has deep history in Iranian conflict

Raymond Odierno, Charles Jacoby and Frank Helmick explained the goal: to return the country to Iraqis with an internal security force capable of protecting the country.

CNN: Commentary: A week with the heroes

Israel's attorney general said Wednesday that Shin Bet, the country's internal security force, can search a foreign traveler's e-mail, but only in exceptional cases in which "relevant suspicious signs" are observed.

CNN: Israeli security allowed to seek check of tourists' e-mail