Using repeated lies and psychological techniques to convince someone of something untrue is known as:

Types of Lies Wrong statement – the “liar” believes the claimed untruth, either due to an error or due to a state of denial. Half truth – the liar cherry picks bits of information that support his claim, while intentionally omitting the facts that contradict it. Distorted statement – the liar exaggerates or minimizes the real facts of the story. Restructured statement – the liar changes some of the facts in a real story or its background. Fabrication – the liar invents a false story with no basis in reality. Brainwashing – the liar uses various repeated lies and even psychological technics, in order to convince the “victim”.