United States v. Alberico Crespo

Court of Appeals for the Eleventh Circuit·Decided June 10, 2026·No. 24-10310·Published

Opinion

FOR PUBLICATION

In the

United States Court of Appeals For the Eleventh Circuit

No. 24-10310

UNITED STATES OF AMERICA, Plaintiff-Appellee,

versus

ALBERICO AHIAS CRESPO, Defendant-Appellant.

Appeal from the United States District Court for the Southern District of Florida D.C. Docket No. 1:21-cr-20005-DPG-1

Before NEWSOM, LAGOA, and KIDD, Circuit Judges. LAGOA, Circuit Judge:

Alberico Ahias Crespo was convicted of conspiracy to commit witness tampering, three counts of witness tampering, and conspiracy to obstruct justice and was sentenced to 97 months’ imprisonment . Crespo now appeals his convictions and sentence. He

2 Opinion of the Court 24-10310

argues that the district court erred by denying his motion to suppress wiretap evidence, denying his motion for mistrial after the jury heard false testimony and a prosecutor’s bad-faith question, denying him recross-examination of a witness at trial, and admitting into evidence past bad acts. He also argues that the cumulative effect of these errors and other inadmissible evidence warrants reversal of his conviction. Moreover, Crespo argues that the jury lacked sufficient evidence to convict him under Counts Five, Seven, Eight and Ten of the superseding indictment and that the district court erred by rejecting his proposed jury instruction on a good-faith defense. Finally, he argues that his sentence was miscalculated .

After careful consideration and with the benefit of oral argument , we affirm Crespo’s convictions and sentence.

I. FACTUAL AND PROCEDURAL HISTORY Crespo, a special agent with the United States Department of Health and Human Services (“HHS”), was a member of the Southern District of Florida’s Health Care Fraud Strike Force (the “Strike Force”), an interagency task force focusing on health care fraud and related narcotics trafficking in South Florida.

From November 2016 to July 2020, Crespo, Jorge Diaz Gutierrez, Anais Lorenzo, Dr. Rodolfo Gonzalez-Garcia, and Yandre Trujillo Hernandez, among others, participated in a scheme to obtain oxycodone and distribute it for street-level profit (the “Oxycodone Scheme”). Here’s how the scheme worked. Diaz acted

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as a “patient recruiter” who brought patient recruits, such as Lorenzo , to clinics to be prescribed unnecessary oxycodone. Dr. Gonzalez was a medical doctor at West Medical Office in Hialeah, Florida (“West Medical”), one of the clinics where patient recruits were directed, who would prescribe the oxycodone. Diaz would then buy oxycodone from those patient recruits and sell the pills to individuals , such as Trujillo, for street-level profit. Crespo, who was Diaz’s roommate and knew of Diaz’s oxycodone trafficking, would pass along information about the Strike Force’s ongoing investigations into the Oxycodone Scheme and disrupt the investigation where he could.

On January 5, 2021, a federal grand jury returned a ten-count indictment against Crespo, Diaz, Trujillo, and Lorenzo. 1 Specifically , Crespo was indicted for conspiracy to distribute and possess with intent to distribute oxycodone, in violation of 21 U.S.C. §§ 841(a)(1) and 846 (Count One); conspiracy to commit witness tampering, in violation of 18 U.S.C. §§ 1512(b)(3) and 1512(k) (Count Five); three counts of witness tampering, in violation of 18 U.S.C. § 1512(b)(3) (Counts Seven through Nine); and conspiracy to obstruct justice, in violation of 18 U.S.C. §§ 1512(c)(2) and 1512(k) (Count Ten).

1 Dr. Gonzalez was indicted separately, and Diaz, Trujillo, and Lorenzo

pleaded guilty before trial.

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A. Investigation and Offense Conduct At trial, the government elicited the following evidence through witness testimony and exhibits.

In April 2018, the Strike Force began investigating West Medical and Dr. Gonzalez for illegal distribution of oxycodone. The lead agents for the investigation were HHS Special Agent Rolando Alvarez and FBI Special Agent Charles Lawless (each special agent, an “SA”). The goal of this investigation, as with all other Strike Force investigations, was to obtain a grand jury indictment against the scheme’s participants.

Crespo was not involved in the investigation, but he shared a cubicle space with SA Alvarez and participated in meetings where the investigation was discussed. Crespo disclosed neither his relationship with Diaz nor his knowledge of Diaz’s role in the Oxycodone Scheme to his supervisors. In one instance, Crespo alerted Diaz to the investigation into West Medical and told him to stop bringing patients there. Diaz continued operations with other clinics .

Even after Dr. Gonzalez was indicted on January 31, 2019, the investigation into the Oxycodone Scheme continued. The investigation identified Diaz as a patient recruiter after he tried to purchase oxycodone from a confidential source and after an anonymous letter alleged that Diaz and Dr. Gonzalez were working together . Though the impetus for the investigation is not clear from the record, the FBI public corruption squad, including SA Sean Slattery , also began investigating Crespo for public corruption in April

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2019. As part of the Strike Force’s investigation into Diaz, agents wiretapped Diaz’s phone and learned that he frequently communicated with Crespo about the Strike Force’s ongoing investigation.

On July 8, 2020, Crespo and other HHS agents received an email from SA Lawless requesting assistance with interviewing patient recruits involved in the Oxycodone Scheme. Upon receiving the email, Crespo told his supervisor, HHS Special Agent Jesus Barranco , that those patient recruits were diagnosed with COVID. When pressed about how he knew, Crespo was evasive and responded that his source was a “street person” and an “old man,” but did not give the actual identity of his source. As a result of Crespo’s actions, the FBI agents proceeded with the interviews, but the HHS agents did not. 2 On July 17, 2020, Crespo and Diaz spoke on the phone several times while Crespo and his co-worker, HHS Agent Henry Luna (“Agent Luna”), were drinking heavily at a bar. During one call, Crespo directed Diaz to call SA Lawless to schedule a meeting. Crespo instructed Diaz to cut his pills into quarter portions to convince SA Lawless that Diaz was taking oxycodone for health reasons , tell SA Lawless that he did not sell pills to anyone and had done nothing wrong, and insist that SA Lawless and Diaz meet in public to prevent the Strike Force from learning that Diaz and Crespo lived together. 3

2 These facts were the basis for witness tampering Count Seven.

3 These facts were the basis for witness tampering Count Eight.

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On July 20, 2020, Crespo spoke with SA Lawless about Diaz.

When asked if he had any information as to whether Diaz was involved with oxycodone distribution, Crespo denied any knowledge and expressed that Diaz was a good person who had never done anything wrong. Crespo continued by saying that if he knew about Diaz’s drug trafficking, he would have arrested him. 4 On July 21, 2020, Diaz and Crespo were arrested. On January 14, 2021, Crespo was arraigned.

B. Pre-Trial Proceedings During pre-indictment discovery, the government produced , among other documents, Title III wire and electronic interception recordings from Diaz’s phone and related materials, including the wiretap application.5 Partly because of the large volume of discovery produced, trial was postponed numerous times during the proceedings below. In the interim, the government continued to produce relevant documents, including a 2018 FBI incident summary report that was produced to Crespo on July 5, 2022 (“FBI Incident Summary Report”).

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