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St. Amant v. Thompson (St. Amant Defam, 1968)

SCOTUS · Decided Teaching/Historical SCOTUS
Decided: Sep 20, 2021
Court
Supreme Court
Decided
Sep 20, 2021

Legal Issues

Actual maliceburden of proof on plaintiffdefamationknowing publicationreckless disregard

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The Facts

St. Amant, a public figure and political candidate in Louisiana, was defamed by Thompson's false statements made during a public meeting. Thompson accused St. Amant of criminal conduct and improper associations without verifying the information. St. Amant sued for defamation and won at trial, but the case reached the Supreme Court to clarify the standard of liability.

The Issue

What standard of fault must a defamer meet when making false statements about a public figure? • Does the defendant's failure to investigate or verify facts constitute the requisite "actual malice" for defamation liability? • How should courts assess subjective knowledge or reckless disregard for truth in public figure defamation cases?

The Rules

New York Times Co. v. Sullivan, 376 U.S. 254 (1964) Actual Malice Standard in Defamation

Public officials cannot recover for defamation unless they prove the statement was made with actual malice, knowledge of falsity or reckless disregard for truth.

St. Amant v. Thompson, 390 U.S. 727 (1968) Reckless Disregard Standard

Reckless disregard requires subjective awareness of probable falsity; negligence or failure to investigate alone is insufficient to establish actual malice.

U.S. Constitution, Amendment I Freedom of Speech

Congress shall make no law abridging the freedom of speech; the First Amendment protects robust public debate even when statements contain falsehoods about public figures.

The Application

History

Although Thompson broadcast false statements about St. Amant's criminal conduct without verifying his source's credibility, the Court held that this failure to investigate alone could not establish actual malice, since the standard requires subjective proof that Thompson either knew the statements were false or harbored serious doubts about their truth. The decision shifted the inquiry from Thompson's negligent conduct to his subjective state of mind, requiring evidence that he purposefully avoided the truth or had obvious reasons to doubt his informant's reliability, not merely that he failed to exercise reasonable care in verification. By emphasizing this subjective recklessness standard, the Court made clear that mere negligent reporting, however careless, cannot satisfy actual malice in public figure defamation cases.

The Conclusion

St. Amant v. Thompson established that actual malice requires knowledge of falsity or serious doubts about truth, not negligent failure to verify. The Supreme Court reversed the lower court's judgment, sharpening the standard from New York Times v. Sullivan to show that repeating unverified claims without independent doubt falls short of constitutional culpability. The case remains foundational to explaining why public figures face an extremely difficult bar to prove defamation.

Court -
Filed -
CL Status -

No circuit court data for this case.

Cert Granted -
Status -
Filed (CL) -
SCOTUS TMR-429dcb26 Jul 20, 2026

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Case Analysis

Overview

Phil St. Amant read statements about Deputy Sheriff Herman Thompson on television during a political campaign. The statements came from a single, unverified source and turned out to be false. Thompson sued for defamation and won below. The Supreme Court reversed, using the case to sharpen the actual malice standard it had established in New York Times v. Sullivan four years earlier. Actual malice doesn't mean the speaker was generally reckless or failed to investigate. It means the speaker either knew the statement was false or had serious doubts about its truth and published anyway. St. Amant had repeated what his source said without independent verification, but there was no evidence he doubted it. Bryan uses this case to teach the gap between negligence and actual malice, and why that gap is so hard for public figures to cross.

Conclusion

**St. Amant v. Thompson established that actual malice requires knowledge of falsity or serious doubts about truth. Not negligent failure to verify.** The Supreme Court reversed the lower court's judgment, sharpening the standard from New York Times v. Sullivan to show that repeating unverified claims without independent doubt falls short of constitutional culpability. The case remains foundational to explaining why public figures face an extremely difficult bar to prove defamation.

Notes

390 U.S. 727 (1968)

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