CONTROVERSIA
Portrait of Clifford Olson

Born in Canada · Nationality Canadian — Crime / mafias / terrorisme / affaires pénales

Clifford Olson

Violent crime and serial killers

Fiche documentée couvrant 18 controverses, dont « Meurtre de Christine Ann Weller » et « Meurtre de Daryn Todd Johnsrude ».

Are you concerned? Right of reply

Profile No. 3126 · Updated on 12 October 2026

Portrait of Clifford Olson
18Documented controversies
7Sources
1Formal charge · all time1 followed by a conviction
1Conviction

§ Legal statuses reflect the documented sources as of the date shown; they replace neither court decisions nor the presumption of innocence. Counts are not a rating. Methodology

I. Documented controversies

01

2010–2011

Prestations de vieillesse en prison et réforme fédérale

No legal proceedings

La révélation qu'Olson recevait des prestations de vieillesse en prison déclenche une polémique nationale et une réforme suspendant ces prestations pour des détenus fédéraux concernés.

State of the evidence
Documented

Sources · 2

  1. [1]
    Government of CanadaGovernment of Canada ends entitlements for prisonersOfficial documentVery high reliability
  2. [2]
    Government of CanadaGovernment of Canada suspends Old Age Security benefits to prisonersOfficial documentVery high reliability

Last verified: 16 September 2026

Add to this entry

Case · 15 documented stages

Décès en prison

Conviction
02

2011-09-30

Décès en prison

Conviction

Olson meurt en détention à 71 ans alors qu'il purge toujours ses peines à perpétuité.

State of the evidence
Documented
Attribution
Accused

Sources · 1

  1. [1]
    Global News / Canadian PressSerial killer Clifford Olson dies at 71News agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

03

2006-07

Libération conditionnelle refusée

Conviction

La Commission des libérations conditionnelles refuse sa demande après qu'il est devenu admissible à présenter une requête.

State of the evidence
Documented
Attribution
Protagonist is the complainant

Sources · 1

  1. [1]
    CityNews / Canadian PressSerial killer Clifford Olson denied paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

06

1982-01

Plaidoyer de culpabilité pour onze meurtres et peines à perpétuité

Conviction

Olson plaide coupable aux onze meurtres et reçoit onze peines à perpétuité concurrentes avec vingt-cinq ans d'inadmissibilité à la libération conditionnelle.

Attribution
Accused

Sources · 2

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability
  2. [2]
    UPIClifford Olson sentenced to life in prison on 11 countsNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

07

1981-04

Meurtre de Daryn Todd Johnsrude

Conviction

Olson a reconnu et a été condamné pour le meurtre de Daryn Todd Johnsrude, âgé(e) de 16 ans; les comptes rendus contemporains mentionnent traumatisme crânien.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

08

1981-04

Meurtre de Colleen Daignault

Conviction

Olson a reconnu et a été condamné pour le meurtre de Colleen Daignault, âgé(e) de 13 ans; les comptes rendus contemporains mentionnent traumatisme crânien.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

09

1981-05

Meurtre de Sandra Lynn Wolfsteiner

Conviction

Olson a reconnu et a été condamné pour le meurtre de Sandra Lynn Wolfsteiner, âgé(e) de 16 ans; les comptes rendus contemporains mentionnent traumatisme crânien.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

10

1981-06

Meurtre de Ada Anita Court

Conviction

Olson a reconnu et a été condamné pour le meurtre de Ada Anita Court, âgé(e) de 13 ans; les comptes rendus contemporains mentionnent strangulation.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

11

1981-07

Meurtre de Simon Patrick Partington

Conviction

Olson a reconnu et a été condamné pour le meurtre de Simon Patrick Partington, âgé(e) de 9 ans; les comptes rendus contemporains mentionnent strangulation.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

12

1981-07

Meurtre de Judy Elizabeth Kozma

Conviction

Olson a reconnu et a été condamné pour le meurtre de Judy Elizabeth Kozma, âgé(e) de 14 ans; les comptes rendus contemporains mentionnent coups de couteau.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

13

1981-07

Meurtre de Raymond Lawrence King

Conviction

Olson a reconnu et a été condamné pour le meurtre de Raymond Lawrence King, âgé(e) de 15 ans; les comptes rendus contemporains mentionnent traumatisme crânien.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

14

1981-07

Meurtre de Sigrun C. Arnd

Conviction

Olson a reconnu et a été condamné pour le meurtre de Sigrun C. Arnd, âgé(e) de 18 ans; les comptes rendus contemporains mentionnent traumatisme crânien.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

15

1981-07

Meurtre de Terri Lynn Carson

Conviction

Olson a reconnu et a été condamné pour le meurtre de Terri Lynn Carson, âgé(e) de 15 ans; les comptes rendus contemporains mentionnent strangulation.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

16

1981-07

Meurtre de Louise M. Chartrand

Conviction

Olson a reconnu et a été condamné pour le meurtre de Louise M. Chartrand, âgé(e) de 17 ans; les comptes rendus contemporains mentionnent traumatisme crânien.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

17

1981-08-12

Arrestation après la série de meurtres

Formally charged

Olson est arrêté le 12 août 1981 après plusieurs mois de disparitions et d'homicides en Colombie-Britannique.

Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

18

1980-11

Meurtre de Christine Ann Weller

Conviction

Olson a reconnu et a été condamné pour le meurtre de Christine Ann Weller, âgé(e) de 12 ans; les comptes rendus contemporains mentionnent coups de couteau.

State of the evidence
Established by a court
Attribution
Accused

Sources · 1

  1. [1]
    UPIClifford Robert Olson sentenced to 25 years without paroleNews agencyHigh reliability

Last verified: 16 September 2026

Add to this entry

04

1997

Demande de réduction de l'inadmissibilité rejetée

Civil / administrative proceedings

Olson demande une révision de sa période d'inadmissibilité à la libération conditionnelle sous la « faint hope clause ».

State of the evidence
Documented
Attribution
Protagonist is the complainant

Sources · 1

  1. [1]
    Parole Board of CanadaHistory of Parole in CanadaOfficial documentVery high reliability

Last verified: 16 September 2026

Add to this entry

05

1981–1982

Accord de 100 000 $ en échange de la localisation des corps

No legal proceedings

Les autorités acceptent de verser 100 000 dollars à l'épouse d'Olson contre des informations permettant de retrouver des corps de victimes.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 2

  1. [1]
    UPIClifford Olson sentenced to life in prison on 11 countsNews agencyHigh reliability
  2. [2]
    Parole Board of CanadaHistory of Parole in CanadaOfficial documentVery high reliability

Last verified: 16 September 2026

Add to this entry

II. Constellation of documented links

No documented link with another published profile for now.

Two profiles are linked when a documented controversy of one names the other. The link points to that controversy and its sources; it does not indicate a personal relationship.

III. Has something changed?

A new court decision, a missing source, a mistake? Tell us what should be updated: every request is read by the editorial team.

Update request

Clifford Olson

Say which controversy is concerned and, if possible, give a source. Between 10 and 2,500 characters.

0 / 2500

To prevent abuse, the approximate location of your connection is recorded with your request.

iPhone and iPad

Install Controversia

  1. Tap Share
  2. then Add to Home Screen

Tap Share, then Add to Home Screen.