McLaughlin Man Listed as Tier 3 Sex Offender
McLaughlin (trfnews.i234.me) — Keaton Carl Archambault appears on the South Dakota Sex Offender Registry.
The registry identifies Archambault as a Tier 3 sex offender.
His registry record was updated on June 23, 2026.
The state page lists his residence in McLaughlin, South Dakota.
TRF News is not publishing the exact street address in this report.
Residents can review the official South Dakota Sex Offender Registry record.
Federal Conviction Listed
The registry lists a federal conviction dated October 9, 2007.
The listed offense is sexual abuse of a minor.
The offense is connected to 18 U.S.C. § 2243.
The federal law addresses sexual abuse of a minor in certain federal jurisdictions.
The South Dakota registry says the victim in Archambault’s case was a 14-year-old girl.
The conviction was entered in federal court, according to the registry.

Current Registry Information
The current registry page lists Archambault’s offender status as compliant.
However, the same page also displays a notice concerning South Dakota registration statutes.
It says he is in violation of one or more listed sex offender statutes.
The page contains both statements in its current public record.
The registry also lists the Standing Rock Sioux Tribe as his registering agency.
A sex offender registry entry is not a report of a new arrest.
It reflects a prior conviction and ongoing registration requirements.
Registry details can change as authorities receive new information.
Readers should check official records for the latest status and registration information.
The U.S. Department of Justice also operates the National Sex Offender Public Website.
I’m Adrian Cole reporting for TRF News.
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