Portrait of Daniel Dantas

Photo: Wilson Dias/Abr · CC BY 3.0 br · Wikimedia Commons

Born in Brazil · Nationality Brazilian — Banking / telecommunications / financial investigations / criminal proceedings

Daniel Dantas

Documented profile covering 8 controversies, including “2014: STF rules seizure and cloning of Banco Opportunity hard drives unlawful” and “2012: acquittal for insufficient evidence in Kroll / Operação Chacal case”.

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Profile No. 2566 · Updated on 12 October 2026

Portrait of Daniel Dantas

Photo: Wilson Dias/Abr · CC BY 3.0 br · Wikimedia Commons

8Documented controversies
9Sources
0Conviction

I. Documented controversies

Case · 5 documented stages

2014: STF rules seizure and cloning of Banco Opportunity hard drives unlawful

Acquitted / conviction overturned
01

December 2014

2014: STF rules seizure and cloning of Banco Opportunity hard drives unlawful

Acquitted / conviction overturned

The STF's Second Panel annulled evidence obtained through the seizure and cloning of Banco Opportunity hard drives on the grounds that the warrant did not properly cover the premises and equipment concerned, and ordered their return.

State of the evidence
Documented
Attribution
Accused

Sources · 1

  1. [1]
    Supremo Tribunal FederalConcedido HC para anular provas apreendidas no Banco OpportunityCourt recordVery high reliability

Last verified: 15 September 2026

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03

June 2011

2011: STJ annuls Satiagraha evidence and criminal proceedings leading to conviction

Acquitted / conviction overturned

By three votes to two, the STJ ruled that Abin agents' covert participation in the investigations was unlawful and annulled the tainted evidence and criminal proceedings against Dantas from their inception.

Attribution
Accused

Sources · 2

  1. [1]
  2. [2]
    Conselho da Justiça FederalSTJ: É ilegal a participação da ABIN na Operação SatiagrahaCourt recordVery high reliability

Last verified: 15 September 2026

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04

July 2008

2008: arrests in Operação Satiagraha on suspicion of corruption and financial crimes

Formally charged

Daniel Dantas was arrested during Operação Satiagraha, an extensive investigation involving, among other matters, corruption, financial crimes and money laundering. Following an initial release ordered by the STF, another detention warrant was issued and also challenged.

State of the evidence
Documented
Attribution
Accused

Sources · 2

  1. [1]
    Supremo Tribunal FederalSTF concede liberdade ao banqueiro Daniel DantasCourt recordVery high reliability
  2. [2]
    Supremo Tribunal FederalSupremo decide pela liberdade de Daniel DantasCourt recordVery high reliability

Last verified: 15 September 2026

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05

July–November 2008

2008: STF overturns continued detention and reiterates exceptional nature of pre-trial imprisonment

Formally charged

The STF granted and subsequently upheld habeas corpus relief for Dantas, finding the grounds for his detention insufficient and reiterating that pre-trial imprisonment cannot serve as advance enforcement of a sentence.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 2

  1. [1]
    Supremo Tribunal FederalSTF concede liberdade ao banqueiro Daniel DantasCourt recordVery high reliability
  2. [2]
    Supremo Tribunal FederalSupremo decide pela liberdade de Daniel DantasCourt recordVery high reliability

Last verified: 15 September 2026

Add to this entry

06

2 December 2008

December 2008: ten-year sentence for active bribery in alleged attempt to bribe a police officer

Acquitted / conviction overturned

Judge Fausto De Sanctis sentenced Dantas to ten years' imprisonment for active bribery, finding that an offer of approximately 1 million dollars had been made to a police officer to remove his name from the investigation.

Attribution
Accused
Course of the proceedings
  1. Formally charged — Formal charge before the current outcome

Last verified: 15 September 2026

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Case · 2 documented stages

2012: acquittal for insufficient evidence in Kroll / Operação Chacal case

Acquitted / conviction overturned
02

February 2012

2012: acquittal for insufficient evidence in Kroll / Operação Chacal case

Acquitted / conviction overturned

A federal judge acquitted Daniel Dantas and ten others of allegations relating to spying on Telecom Italia and criminal association, finding no concrete evidence that he knew about or had ordered the unlawful methods attributed to Kroll.

Attribution
Accused
Course of the proceedings
  1. Formally charged — Formal charge before the current outcome

Sources · 1

  1. [1]
    Conselho da Justiça FederalCinco são condenados e onze absolvidos no caso KrollCourt recordVery high reliability

Last verified: 15 September 2026

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08

2004

2004: Kroll affair — Brasil Telecom/Opportunity commissions investigation into Telecom Italia, triggering Operação Chacal

Acquitted / conviction overturned

Amid the struggle for control of Brasil Telecom, a company within the Opportunity-controlled group engaged Kroll to investigate Telecom Italia. The investigations extended to data concerning public officials and triggered Operação Chacal, including searches of premises belonging to Dantas and Opportunity.

State of the evidence
Documented
Attribution
Directly implicated
Course of the proceedings
  1. Formally charged — Formal charge before the current outcome

Sources · 2

  1. [1]
  2. [2]
    Câmara dos DeputadosBrasil Telecom não contratou espionagem, diz DantasPressVery high reliability

Last verified: 15 September 2026

Add to this entry

07

2005

2005: questioned by parliamentary committees about Kroll's activities and denies spying on government

No legal proceedings

Before congressional committees, Dantas acknowledged using Kroll but maintained that Brasil Telecom had never commissioned surveillance of government members and that the objective was to document irregularities involving Telecom Italia.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 1

  1. [1]
    Câmara dos DeputadosBrasil Telecom não contratou espionagem, diz DantasPressVery high reliability

Last verified: 15 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.

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