Organized crime groups opt for protection racketeering in an effort to control markets and "maintaining internal order." It is generally seen as a way where criminals change the legal face of security and provide their own form of "insurance". This practice of extorting money from people is also seen in the human trafficking business in Mexico; the cartels threaten smugglers to pay a fee for using the corridors, and if they refuse to pay, drug traffickers respond in a deadly form. The Gulf Cartel operates in a similar way, and often extorts businesses for protection money in the areas where it operates, pledging to kill those who do not agree to pay the fee. In addition, the Mexican drug cartels also tax several Mexican businesses inside the United States and threaten them with property damage and murder if they do not comply.