Racial profiling was used to detect the criminal activities up to Sept. 11, 2001. After 9/11 attack, the target group changed from criminals to terrorism. 9/11 attack have led to targeting of some Muslims and Middle Easterners as potential terrorists and, accordingly to some, are targeted by the national government through preventive measure similar to those practiced by local law enforcement. One of the techniques used by the FBI to target Muslims was monitoring 100 mosques and businesses in Washington D.C.
Supporters of racial profiling say that the practice is both efficient and ideal due to utilizing the law of possibility in order to determine one's criminal activity. This system focuses on controlling crime with swift judgment, bestowing full discretion on police to handle what they perceive as a threat to society. On the other hand, the critics are saying it is Unconstitutional, but supporters say it matches to forth amendment of constitution to protect U.S citizen lives when it is in danger.According to a 2011 survey by Rasmussen Reports, a majority of Americans support profiling as necessary "in today's society".
In case of finding criminals based on their race, ethnicity group or religion , The study of 572 university students shows pros and cons are equally 50/50, but it is over 80% in favor of racial profiling once it comes to international terrorism or check points at the airports. Overwhelming majority of American support racial profiling for their safety and security.
Racial profiling about Iranians will be changed once ruling criminal mullahs get toppled from the power in Iran.