False Confession Wikipedia

False evidence - Wikipedia.

False evidence, fabricated evidence, forged evidence, fake evidence or tainted evidence is information created or obtained illegally in order to sway the verdict in a court case.Falsified evidence could be created by either side in a case (including the police/prosecution in a criminal case), or by someone sympathetic to either side.Misleading by suppressing evidence can also ....

https://en.wikipedia.org/wiki/False_evidence.