Case 1:09-cr-00466-BMC-RLM Document 559 Filed 01/23/19 Page 1 of 7 PageID #: 6809
U.S. Department of Justice

United States Attorney
Eastern District of New York

GMP:ASF
F. #2009R01065

271 Cadman Plaza East
Brooklyn, New York 11201
January 23, 2019

By ECF
The Honorable Brian M. Cogan
United States District Judge
Eastern District of New York
225 Cadman Plaza East
Brooklyn, New York 11201
Re:

United States v. Joaquin Archivaldo Guzman Loera
Criminal Docket No. 09-466 (BMC) (S-4)

Dear Judge Cogan:
The government respectfully submits this letter and seeks to preclude extrinsic
evidence of government witness Jorge Cifuentes-Villa’s prior statements to law enforcement
agents. All of these statements that the defense seeks to elicit are purely collateral to CifuentesVilla’s testimony, and are, therefore, inadmissible under Rule 608(b) of the Federal Rules of
Evidence. 1
Factual Summary
On December 11, 2018, the government called a cooperating witness named
Jorge Cifuentes-Villa to testify about his criminal interactions with the defendant in the abovestyled case. During Cifuentes-Villa’s direct examination, which ended in the morning session
on December 13, 2018, the government elicited a number of facts bearing on Cifuentes-Villa’s
credibility, including the fact that he had set up a climate-change foundation in order to engage
in self-dealing, Tr. at 2996 (Dec. 12, 2018), that he had attempted to lure an individual to a
meeting so he could be kidnapped over a drug debt, Tr. at 2997 (Dec. 12, 2018), that he used
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Although this motion concerns law enforcement agents who the defendant has
indicated he may call at trial in relation to the testimony of Jorge Cifuentes-Villa, the
government reserves the right to raise similar objections should the defense seek to call
additional law enforcement witnesses in an attempt to impeach other government witnesses
based on collateral matters.

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false identification documents and then lied about the use of such documents, Tr. at 2998 (Dec.
12, 2018), and that he used his left hand instead of his right to provide a writing sample to
authorities in a successful effort to avoid prosecution, Tr. at 3021 (Dec. 13, 2018).
The cross-examination of Cifuentes-Villa began in the morning of December
13, 2018, and ended in the morning of December 18, 2018. Throughout the cross-examination,
Cifuentes-Villa was confronted by the defense with statements contained in DEA-6s and other
reports of Cifuentes-Villa’s prior debriefs. While Cifuentes-Villa agreed that he had actually
made some of the statements attributed to him in the reports, Cifuentes-Villa denied making a
number of other statements contained in the reports. For example, Cifuentes-Villa: 1) denied
that his father processed cocaine when Cifuentes-Villa was younger (Tr. at 3065-66, Dec. 13,
2018); 2) claimed that he had told agents that his father was involved in dealing drugs (Tr. at
3067, Dec. 13, 2018); 3) denied telling the Government that his nephew, Jaime Alberto Roll
was a drunk and lived off of women (Tr. at 3076, Dec. 13, 2018); 4) denied obtaining a fake
university diploma from Texas (Tr. at 3100-01, Dec. 13, 2018); 5) acknowledged attempting
to kill an individual in prison when he was 18 years old but denied receiving favors in exchange
for doing so (Tr. at 3010, Dec. 13, 2018); 6) denied helping his older brother in 1986 by driving
trucks to Ecuador for his brother’s drug trafficking organization (Tr. at 3117, Dec. 13, 2018);
7) denied telling an agent that he had ever been an electrical engineering student (Tr. at 3121,
Dec. 13, 2018); 8) denied telling the government that he and his partner withdrew $2 million
per month for over five years (Tr. at 3123, Dec. 13, 2018); 9) denied allowing his former boss,
Don Efra, to blame and subsequently order a retaliatory murder of another individual (Tr. at
3185-86, Dec. 17, 2018); 10) admitted killing an individual but denied killing him for stealing
drugs from Cifuentes-Villa (Tr. at 3192-93, Dec. 17, 2018); 11) admitted being responsible for
the death of a second individual, but denied that that individual was arrested and sent to
Colombia before being killed (Tr. at 3195, Dec. 17, 2018); 12) denied that an individual turned
over property to Cifuentes-Villa to make up for some cocaine that the individual had stolen
from him (Tr. 3198-99, Dec. 17, 2018); 13) admitted that in 2010, a coronel in the Colombian
National Police provided security for Cifuentes-Villa but denied that the coronel used an
official armored car for that purpose (Tr. 3200, Dec. 17, 2018); 14) denied using a false name
at the time of his arrest in Colombia (Tr. 3216-17, Dec. 17, 2018); 15) denied telling the
government that he attempted to launder drug proceeds through the export of emeralds from a
mine (Tr. 3238, Dec. 17, 2018); and 16) denied telling the government that a corrupt
Colombian official helped his family and their associates intercept telephones, conduct
surveillance, and give dossiers on individuals (Tr. 3270, Dec. 17, 2018).
On January 21, 2019, counsel for the defendant proposed stipulations to the
government to the effect that the law enforcement witnesses who drafted the investigative
reports in which Cifuentes-Villa made these statements would, if called to testify, testify that

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Cifuentes-Villa actually made the statements in question. The government has not assented to
these proposed stipulations, and defense counsel has indicated that they therefore intend to call
some of the law enforcement officers involved in drafting the reports in the defendant’s casein-chief.
Applicable Rules of Evidence and Case Law
Federal Rule of Evidence 608(b) provides, in relevant part:
(b) Specific Instances of Conduct. Except for a criminal conviction under
Rule 609, extrinsic evidence is not admissible to prove specific instances of a
witness's conduct in order to attack or support the witness's character for
truthfulness. But the court may, on cross-examination, allow them to be
inquired into if they are probative of the character for truthfulness or
untruthfulness of . . . the witness.
Fed.R.Evid. 608(b). The Second Circuit has frequently and consistently recognized that this
rule ensures that “cross-examination is generally the proper mechanism by which to test an
adverse witness's credibility, and the use of extrinsic evidence to further pursue questions
posed on cross-examination is generally not permitted.” United States v. Shoreline Motors,
413 Fed. Appx. 322, 329 (2d Cir.2011); citing United States v. Masino, 275 F.2d 129, 133 (2d
Cir.1960) (“When a witness is cross-examined for the purpose of destroying his credibility by
proof of specific acts of misconduct not the subject of a conviction, the examiner must be
content with the answer. The examiner may not, over objection, produce independent proof to
show the falsity of such an answer.”).
The Second Circuit has recognized some limited exceptions to the rule that
extrinsic evidence may not be introduced to impeach a witness. One of these exceptions is
“impeachment by contradiction.” This exception provides “that when a witness puts certain
facts at issue in his testimony, the government may seek to rebut those facts, including by
resorting to extrinsic evidence if necessary.” United States v. Ramirez, 609 F.2d 495, 499 (2d
Cir.2010); see also United States v. Cuadrado, 413 F.2d 633, 635 (2d Cir. 1969) (“[w]here a
defendant in his direct testimony falsely states a specific fact, ‘the prosecution will not be
prevented from proving, either through cross-examination or by calling its own witnesses, that
he lied as to that fact.’”)(internal citations omitted).
However, logic dictates that the exception does not apply if the opposing party
elicits the alleged contradiction solely to attempt to impeach by contradiction. If the opposing
party were able to elicit a contradiction on cross-examination for the purpose of allowing it to
fit under the “impeachment by contradiction” exception to Fed.R.Evid. 608(b), then the
exception would swallow the rule that extrinsic evidence is not allowed to attack a witness’s

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character for truthfulness. A Second Circuit case, United States v. Garcia, is instructive on
this point. At issue in Garcia was whether the government could use the “impeachment by
contradiction” exception to impeach a defendant with an arrest record showing that the
defendant had previously been arrested for drug possession. United States v. Garcia, 900 F.2d
571, 575 (2d Cir. 1990). After the defendant testified on direct examination that he had never
been accused of “selling drugs,” the government asked him on cross examination if he had
ever been “involved in” or possessed drugs; after the defendant replied in the negative, the
prosecution attempted to refresh his recollection with the arrest report. Id. After the defendant
continued to deny involvement with drugs, the government “properly dropped this line of
inquiry without attempting to offer the arrest record into evidence.” Id. However, the
defendant then delved into the issue of the prior arrest on redirect testimony and left the false
impression that the arrest did not relate to drugs. At this point, the Second Circuit noted, the
arrest record was properly introduced – “not to impeach [the defendant’s] general credibility
through extrinsic evidence, see Fed. R. Evid. 608(b), but to contradict a false statement made
by [the defendant] in his redirect testimony.” Id.
As Garcia makes abundantly clear, the “impeachment by contradiction”
exception cannot be simply invoked because defense counsel believes that a government
witness has falsely answered a question on cross-examination; the witness must affirmatively
testify falsely in his direct or re-direct examination in order to invoke the exception. If a
witness denies an allegation in cross-examination, and does not “open the door” on either direct
examination or redirect examination, then Rule 608(b) applies, and the questioner is stuck with
the witness’s answer. See Corpus Juris Secundum, Witnesses § 848 (“In general, a witness
may be impeached by contradiction only if the statements in issue have been volunteered on
direct examination. A party may not cross-examine a witness upon collateral matters for the
purpose of eliciting something to be contradicted. If a question is put to a witness on crossexamination which is collateral or irrelevant to the issue, his or her answer cannot be
contradicted to impeach the witness by the party who asked him or her the question.”); see also
United States v. Lambert, 463 F.2d 552, 557 (7th Cir.1972) (“a witness may not be impeached
by contradictions as to collateral or irrelevant matters elicited on cross-examination.”)
Another set of exceptions to the general rule that extrinsic evidence of “bad acts”
cannot be introduced under Rule 608(b) allows for the introduction of extrinsic evidence to
prove such things as prior inconsistent statement, bias or mental capacity. See Fed.R.Evid. 608
Advisory Committee Note 2003 Amendment (“By limiting the application of the Rule to proof
of a witness’ character for truthfulness, the amendment leaves the admissibility of extrinsic
evidence offered for other grounds of impeachment (such as contradiction, prior inconsistent
statement, bias and mental capacity) to Rule 402 and 403.”). In this circuit, extrinsic evidence
can be introduced, for example, to demonstrate that a witness’s fabrication of documents
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demonstrated motive to cover up his own thefts, see United States v. Blum, 62 F.3d 63, 68 (2d
Cir. 1995), or to demonstrate an animus against a defendant such that the witness would
attempt to manufacture evidence in order to ensure the defendant’s conviction, see United
States v. Haggett, 438 F.2d 396, 399 (2d Cir. 1971). Absent some reason such as bias, motive,
or mental capacity, however, Rule 608(b) prohibits the introduction of extrinsic evidence.
As for prior inconsistent statements, it is clear in this Circuit that “a witness may
be impeached by extrinsic proof of a prior inconsistent statement only as to matters which are
not collateral.” United States v. Rivera, 273 Fed.Appx. 55, 58 (2d Cir. 2008); quoting United
States v. Blackwood, 456 F.2d 526, 531 (2d Cir. 1972). At issue in Rivera was whether the
court properly excluded extrinsic proof that one of the Government's witnesses allegedly
committed a murder he did not disclose to the Government. The Rivera panel reasoned that
because the “alleged murder was not connected to the murders at issue in the trial and was
clearly a collateral matter,” extrinsic evidence of the murder was plainly collateral and
therefore correctly excluded. Rivera, 237 Fed.Appx. at 58.
More recently, a district court in the Southern District of New York cited Rivera
in denying the defendant’s motion to introduce a cooperating witness’s jail call as extrinsic
evidence to prove a “prior inconsistent statement.” The defendant in United States v. Atilla,
who had been charged with violations of foreign sanctions, cross-examined the government’s
cooperating witness about a jail call that the witness had with a family member about what the
witness had needed to do in order to cooperate and get out of jail. United States v. Atilla, Case
No. 15 Cr. 867 (RMB), slip op, 2017 WL 6987997 (S.D.N.Y. Dec. 21, 2017) at *1. After the
defendant cross-examined the witness about the substance of the call, and after the witness
denied the defendant’s characterization of the call, the defendant sought to introduce the call
as extrinsic evidence of a prior inconsistent statement. Id. Citing Rivera, the district court
found that the “phone call in question is clearly collateral to the violation of U.S. sanctions
against Iran issue presented here” and properly denied the defendant’s motion to admit the call
as extrinsic evidence. Id. at *2
Analysis
Fed. R. Evid. 608(b) flatly prohibits the admission of extrinsic evidence of the
collateral matters covered by the sixteen (16) statements made by Cifuentes-Villa on crossexamination that defense counsel have indicated they intend to call law enforcement witnesses
to introduce.
First, Rule 608(b), by its terms, forbids the introduction of extrinsic evidence
“to prove specific instances of a witness's conduct in order to attack or support the witness's

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character for truthfulness.” Fed. R. Evid. 608(b). The case law developed in this Circuit and
elsewhere provides that while the opposing party may inquire of the witness regarding specific
instances of his bad conduct, that party has to accept the witness’s answer and may not
introduce extrinsic evidence. While this Circuit does recognize the “impeachment by
contradiction” exception to Fed. R. Evid. 608(b), in this case, because the defense elicited the
alleged contradictions during cross-examination, there can be no “impeachment by
contradiction.” See United States v. Garcia, 900 F.2d 571, 575 (2d Cir. 1990); United States
v. Shoreline Motors, 413 Fed.Appx. 322, 329 (2d Cir. 2011); Corpus Juris Secundum,
Witnesses § 848 (“A party may not cross-examine a witness upon collateral matters for the
purpose of eliciting something to be contradicted.”) Put another way, there can be no
“impeachment by contradiction” of information solely elicited on cross-examination. Were the
defendant in this case allowed to elicit information about the purported contradictions between
what Cifuentes-Villa told the agents and then be allowed to introduce, as extrinsic evidence,
testimony from the agents about those contradictions, then it is difficult to see how Rule 608(b)
could ever preclude the admission of extrinsic evidence.
Nor can defendant conjure another reason why impeachment through extrinsic
evidence, such as for bias or for motive, is tenable in this case. Unlike in Haggett, the alleged
contradictions here would not bolster any argument that Cifuentes-Villa harbors some bias
against the defendant. Unlike in Blum, the alleged conduct here does not demonstrate a motive
either to minimize Cifuentes-Villa’s conduct or to shift blame for that conduct to another. In
this particular case, the defendant cannot elide the dictates of Fed. R. Evid. 608(b) by asserting
that the allegations go to motive rather than veracity and credibility. The only conceivable
reason that the defendant would want to introduce the extrinsic testimony relating to the
alleged inconsistencies between his trial testimony and the interview reports is to attempt to
undermine Cifuentes-Villa’s character for truthfulness. This he cannot legally do.
Nor, for the reasons set forth in United States v. Rivera, 273 Fed.Appx. 55, 58
(2d Cir. 2008) and United States v. Atilla, Case No. 15 Cr. 867 (RMB), slip op, 2017 WL
6987997 (S.D.N.Y. Dec. 21, 2017), can the defendant credibly assert that the extrinsic
evidence is admissible as evidence of a “prior inconsistent statement.” The statements at issue
here are the very kind of collateral matter that the courts in both Rivera and Atilla prevented
from being introduced under the guise of “prior inconsistent statements.” Just as the jail calls
of the witness and his family member in Atilla relating to the witness’s motive to testify and
get out of prison by cooperating were collateral to the charges of foreign sanctions violations
faced by the defendant in that case, so, too, the allegations that Cifuentes-Villa’s father worked
in the drug business decades earlier, or that Cifuentes-Villa’s nephew was an alcoholic and
lived off of women are entirely collateral to the CCE, drug trafficking and weapons charges
faced by the Defendant in this case.

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Conclusion
In light of the foregoing, the government respectfully requests that the Court
grant its motion to preclude the defendant from calling the authors of reports of debriefs of
Jorge Cifuentes-Villa containing statements relating to collateral matters.
Respectfully submitted,
RICHARD P. DONOGHUE
UNITED STATES ATTORNEY
Eastern District of New York
271 Cadman Plaza East
Brooklyn, New York 11201
ARTHUR G. WYATT, CHIEF
Narcotic and Dangerous Drug Section
Criminal Division,
U.S. Department of Justice
OF COUNSEL:
ARIANA FAJARDO ORSHAN
UNITED STATES ATTORNEY
Southern District of Florida

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