Student Arrested for Poisoning Cheyenne Colleague
A microbiology student was apprehended at an airport after allegedly contaminating a coworker’s coffee with a chemical.
Updated on Oct. 13, 2026 in Chemistry

Police arrested 32-year-old microbiology graduate student Aili Wang at Los Angeles International Airport while she attempted to flee to China. Authorities allege that Wang poisoned a colleague at a Cheyenne, Wyoming, university due to a dispute over pending patents.
Why it matters
The case highlights the severe consequences of interpersonal conflict within academic research environments. It also underscores the security challenges involved in protecting laboratory materials from misuse.
The suspect, 32, allegedly utilized acrylamide, a chemical she purchased via eBay, to contaminate the victim's coffee maker. Investigators confirmed the presence of the substance through testing conducted by the victim's family and associates.
The players
Aili Wang
She is a 32-year-old microbiology graduate student who was taken into custody at Los Angeles International Airport.
The details
Surveillance footage allegedly showed Wang searching through her colleague’s desk prior to the incident. During her arrest, police seized several electronic storage devices, laptops, and various documents from the suspect.
Timeline
As of Tuesday, October 13, 2026, Wang remained in jail without bail.
The Big Picture
This incident follows a pattern set by academic disputes turning violent in research settings.
The investigation highlights the necessity of strict inventory controls for hazardous chemicals within university laboratories. Increased scrutiny on how graduate researchers access and store such substances may become a standard safety requirement for local institutions.
The takeaway
Workplace conflicts in high-stakes research environments require early mediation to prevent escalation into criminal activity. Academic institutions are now reconsidering their oversight procedures for student access to hazardous materials.
Further reading
Learn more about chemical safety and laboratory protocols in the Chemistry section.










