Two Plead Not Guilty in Las Vegas Fraud Case
The defendants are scheduled to appear in court again on June 1 before a trial begins on June 7, 2027.
Updated on Oct. 29, 2026 in Financial Crime

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Two individuals face fraud charges after allegedly running a scheme to purchase goods and gift cards before falsely claiming the transactions were unauthorized. Antonio Chavez and Claudia Guzman Marquez pleaded not guilty in Las Vegas court on October 29 regarding the alleged activity occurring between May and August 2026.
Why it matters
The case highlights the increasing complexity of financial crimes in the valley, particularly involving allegations of identity manipulation and artificial intelligence to deceive credit card issuers. The legal process remains ongoing as prosecutors and defense attorneys prepare for next summer.
Investigators reported that the defendants allegedly secured over $8,000 in gift cards during the scheme. The case involves complex claims about who placed calls to banks, with no final determination yet on the involvement of artificial intelligence.
The players
Antonio Chavez
A defendant accused of credit card fraud and filing false reports.
Claudia Guzman Marquez
A defendant facing charges for her alleged role in the credit card fraud scheme.
The details
The defendants are accused of using personal credit cards for luxury items and travel bookings before contacting financial institutions to report the charges as fraudulent. Prosecutors allege that Chavez reported his fanny pack as stolen on the same day he used a card to purchase the gift cards. The court case, which spans transactions at businesses including Louis Vuitton and Southwest, will move to trial next June.
Timeline
May 25, 2026, to August 3, 2026: The alleged fraud scheme took place.
October 29, 2026: The defendants pleaded not guilty.
June 1, 2027: The defendants are expected to return to court.
June 7, 2027: The trial is scheduled to begin.
Beyond the Strip
This case follows the pattern of the 2023 Las Vegas synthetic identity fraud investigations by testing how local courts handle claims involving automated impersonation. It marks a continued effort by valley authorities to address crimes that rely on digital deception.
Residents should continue to monitor their credit card statements for any unauthorized activity and report discrepancies to their financial institutions immediately. Staying vigilant about card security remains the primary defense against this type of fraud.
The takeaway
The case serves as a reminder to report lost or stolen cards immediately to prevent secondary fraud attempts. Locals should follow court updates as the proceedings continue into the summer of 2027.
What happens next
The defendants are due back in court on June 1, 2027, followed by the start of the trial on June 7, 2027.
Further reading
For more on how local authorities track regional fraud, visit the Financial Crime section.
Source note: This article includes information reported by KSNV.
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