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Yunqing Jian and Zunyong Liu Charged with Smuggling Potential Agroterrorism Pathogen into U.S

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DETROIT – Federal authorities have charged two citizens of the People’s Republic of China, Yunqing Jian, 33, and Zunyong Liu, 34, in connection with an alleged scheme to smuggle a dangerous biological agent into the United States.

The charges include conspiracy, smuggling goods into the U.S., making false statements, and visa fraud, as announced by United States Attorney Jerome F. Gorgon, Jr.

DETROIT – Federal authorities have charged two citizens of the People’s Republic of China, Yunqing Jian, 33, and Zunyong Liu, 34, in connection with an alleged scheme to smuggle a dangerous biological agent into the United States.

Joining Gorgon in the announcement were FBI Detroit Special Agent in Charge Cheyvoryea Gibson and Marty C. Raybon, Director of Field Operations for U.S. Customs and Border Protection (CBP).

According to a criminal complaint unsealed Tuesday, the two defendants are accused of conspiring to smuggle Fusarium graminearum, a highly destructive fungal pathogen, into the country.

The fungus, classified in scientific literature as a potential agroterrorism weapon, causes “head blight” in major crops such as wheat, barley, maize, and rice. The disease is responsible for billions of dollars in agricultural losses globally and produces toxins that are hazardous to humans and livestock—causing symptoms such as vomiting, liver damage, and reproductive issues.

Investigators allege that Jian, who was employed in a University of Michigan laboratory, received funding from the Chinese government for her research on this specific pathogen.

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Forensic analysis of Jian’s electronic devices allegedly revealed materials linking her to the Chinese Communist Party, including documentation of her active membership and allegiance.

Her partner, Zunyong Liu, reportedly a researcher at a Chinese university working on similar pathogens, is accused of smuggling samples of Fusarium graminearum through Detroit Metropolitan Airport.

Initially denying the act, Liu later admitted to bringing the material into the U.S. to conduct unauthorized research in Jian’s university lab, according to the complaint.

“This case presents serious national security concerns,” said U.S. Attorney Gorgon. “These individuals, including a declared loyalist to the Chinese Communist Party, are charged with smuggling a pathogen widely regarded as a potential biological weapon into the heartland of America. They allegedly aimed to use a U.S. research facility to further their scheme, putting both public health and our agricultural economy at risk.”

FBI Special Agent in Charge Cheyvoryea Gibson emphasized the danger posed by the accused. “This was not just academic misconduct—it was a deliberate act that could have had catastrophic consequences for food security and public safety. Thanks to the FBI Detroit Counterintelligence Task Force and our partners at CBP, this threat was neutralized before further damage could be done.”

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CBP Field Operations Director Marty C. Raybon echoed those concerns. “This case highlights CBP’s vital role in securing our borders from biological threats. We take seriously any attempt to bring undeclared and hazardous agents into the country, especially when it involves deceptive conduct by foreign researchers.”

Jian is scheduled to make her initial appearance in federal court in Detroit this afternoon. Liu’s status has not yet been disclosed publicly.

Authorities stress that the charges stem from a criminal complaint, which is not evidence of guilt.

Defendants are presumed innocent until proven guilty in a court of law. Further prosecutorial decisions, including whether to pursue felony indictments, will be made as the investigation continues.

The case is being jointly investigated by the Federal Bureau of Investigation and U.S. Customs and Border Protection.

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Crime

38-year-old Mark Sanchez arrested in Indianapolis stabbing incident

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Mark Sanchez arrested in Indianapolis stabbing incident near Senate Avenue and West Washington Street

INDIANAPOLIS — Detectives with the Indianapolis Metropolitan Police Department (IMPD) are investigating a physical disturbance that occurred near Senate Avenue and West Washington Street on Saturday, October 4, 2025, at approximately 12:30 a.m.

According to investigators, the incident involved two adult males and resulted in one individual sustaining laceration injuries and the other suffering wounds consistent with a stabbing.

Both men received medical attention at local hospitals.

The individual with apparent stab wounds remains hospitalized in stable condition.

Preliminary findings indicate the altercation was an isolated incident between the two men and not a random act of violence.

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Detectives have confirmed that both individuals involved are not residents of the Indianapolis area.

The IMPD Aggravated Assault Unit has obtained and reviewed video footage related to the incident as part of the ongoing investigation.

Following further investigation and in consultation with the Marion County Prosecutor’s Office, IMPD detectives arrested 38-year-old Mark Sanchez for his alleged involvement.

Sanchez, who remains hospitalized, was arrested on preliminary charges of:

  • Battery with injury (misdemeanor)
  • Unlawful entry of a motor vehicle (misdemeanor)
  • Public intoxication (misdemeanor)

Sanchez has not yet been booked into the Marion County Adult Detention Center, as he remains under medical care.

All individuals connected to this case have been identified, and no additional suspects are being sought.

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The case will be presented to the Marion County Prosecutor’s Office for a final charging decision.

The IMPD Public Affairs Office noted that it is department policy not to release the identities of victims or suspects unless an individual has been formally charged, arrested, or is being actively sought.

Authorities emphasize that an arrest is merely an accusation, and Mark Sanchez is presumed innocent until proven guilty in a court of law.

Probable cause affidavits related to this incident are not released by IMPD and must be obtained directly from the Marion County Prosecutor’s Office or the Marion County Clerk’s Office.


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