U-Visa may be granted to a non-permanent resident living illegally in the U.S. if that individual is able to demonstrate, through a psychologist's evaluation, that they have suffered substantial mental or physical abuse as a result of being a victim of a crime that occurred in the U.S. and that they were helpful in assisting authorities, e,g, police, U.S. government, in the investigation or prosecution of the crime. To qualify for a U-Visa, you must be able to prove that you were a victim of a serious crime, e.g. felony such as false imprisonment, involuntary servitude, torture, rape, slave trade, witness tampering,obstruction of justice. or others. A T-Visa is available for victims of sex trafficking. Applicants whose petitions are approved receive 3 years of temporary legal status and automatic work authorization. At the end of this 3 year period, most U-Visa holders will be able to apply for lawful permanent resident status.