term:

Reckless Disregard Of The Truth

reckless disregard of the truth

or
reckless disregard for the truth

1 : disregard of the truth or falsity of a defamatory statement by a person who is highly aware of its probable falsity or entertains serious doubts about its truth or when there are obvious reasons to doubt the veracity and accuracy of a source [the knowingly false statement and the false statement made with reckless disregard of the truth, do not enjoy constitutional protection "Garrison v. Louisiana, 379 U.S. 64 (1964)"]
2 : a reckless lack of attention to the truth that misleads or deceives another (as a magistrate) [whether false statements were made intentionally or in reckless disregard of the truth in support of the warrant "State v. O'Neil, 879 P.2d 950 (1994)"]

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.