Bullhead Man Listed on Tier 3 Sex Offender Registry
Bullhead (trfnews.i234.me) — Allen Joseph Cetan Iyanka appears in sex offender registration information supplied to TRF News.
The record identifies Cetan Iyanka as a Tier 3 registrant.
It lists his community of residence as Bullhead, South Dakota.
The supplied information shows a last verification date of June 23, 2026.
TRF News is not publishing the exact street address contained in the supplied record.
Readers can check the South Dakota Sex Offender Registry for current public information.
1998 Offense Listed
The supplied registry information lists an offense dated June 22, 1998.
The offense is described as an attempt to commit forcible sexual abuse.
The record places the offense under an “other crime” classification.
TRF News is using the wording contained in the supplied registration information.

The record also lists Allen Joseph Archambault as an alias.
No new criminal allegation is included in the information supplied for this story.
The listing concerns an older offense and continuing registration requirements.
Public Registry Information
The supplied record identifies Cetan Iyanka as male.
It lists his birth date as November 17, 1969.
The record describes him as five feet, 11 inches tall.
His listed weight is 265 pounds.
The supplied information lists brown hair and brown eyes.
Registry information can change when officials receive new information.
Addresses, verification dates, and other details may change over time.
Readers should check official records for the latest public information.
The U.S. Department of Justice also provides the National Sex Offender Public Website.
That site connects users with participating offender registries across the country.
This story does not report a new arrest or a new criminal charge.
It summarizes registration information supplied to TRF News.
I’m Adrian Cole reporting for TRF News.
Copyright 2026 TRF News. All rights reserved.
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