Homogenization (chemistry) Homogenization or homogenisation is any of several processes used to make a mixture of two mutually non-soluble liquids the same throughout. This is achieved by turning one of the liquids into a state consisting of extremely small particles distributed uniformly throughout the other liquid.
The FBI is led by a Director, who is appointed by the U.S. President and confirmed by the Senate for a term not to exceed 10 years. The current Director is James B. Comey. You can find information on all Directors who have served the FBI on our History website.
Authority/ Statutory Mandate. By law, the Secret Service is authorized to protect: 1  The president, the vice president, (or other individuals next in order of succession to the Office of the President), the president-elect and vice president-elect.  The immediate families of the above individuals.