Defense mechanisms often appear unconsciously and tend to distort or falsify reality. Perry faced charges of conspiring to falsify state-mandated sewage records. The scientific method uses contradiction to falsify bad theory. Equivalently, any improvement on these running times would falsify the strong exponential time hypothesis. With Dennis' help, they falsify evidence and give it to Lado. In contrast he thought that nothing could, even in principle, falsify psychoanalytic theories. Their existence is impossible to falsify, and ghost hunting has been classified as pseudoscience. Carcetti pressures Daniels to falsify crime statistics to aid his campaign. Greco paid EC inspectors to falsify the records. These attempts to falsify the facilitator/courier's role were alerting. The police can falsify the results of a lineup by giving hints to the witness. Numerous other potential ways to falsify evolution have also been proposed. Arthur helps Toby to falsify his grade records. But writing as a public intellectual, he repeatedly ventures predictions that events falsify. Fabrication predominates in the natural sciences, where students sometimes falsify data to make experiments "work".