← Back to United States casesOlga Zwick, Irina Zwick, and others Injured in Alleged Murder Attempt by Victoria Nasirova, New York City, New York, United States
Case Summary
Olga Zwick, a Ukrainian immigrant in New York, was allegedly poisoned by Victoria Nasirova, a woman who sought to assume Olga's identity. Victoria, wanted for the murder of her own mother in Russia, poisoned Olga with a cheesecake containing a rare benzodiazepine. Olga was hospitalized but survived. Victoria was arrested in 2017 and convicted in 2023 for attempted murder and theft related to Olga. The case involved identity theft, poisoning, and international criminal investigation.
Basic Information
Country: United States
State/Province: New York, United States
City/Region: New York City
Incident Type: Attempted Murder
Relationship Status: Unknown
Relationship Duration:
Incident Date: Aug. 28, 2016
Incident Sequence and Additional Victims
Primary reported outcome: Attempted homicide or serious injury
Reported self-harm outcome: No suicide or attempt reported
Reported sequence: Order not reported / unclear
Additional victims reported: 1
Additional victim events:
- Ruben Borokov — Other third party; Attempted harm; survived; Order not reported / unclear
Relationship Journey
Relationship Origins:
- Met on social media
Relationship Stages:
- Dating
Analysis
Contributing Factors:
- Cheating / Infidelity
- Financial Issues
- Domestic Conflict
Red Flags:
- Discovery of suspicious emails
- Escalation Pattern / Violence
- Suspects identified
- Threats
- Divorce Pending / Recent Separation
Motives:
- Money / Financial Gain
- Escape marriage
- Eliminate romantic rival
Relationship Outcomes:
- Legal case ongoing
- Homicide before divorce
- Homicide before marriage
- Arrest made
- Investigation still ongoing
People Link Graph
Relationship Journey Graph
Origin
- Met on social media
How the relationship or connection began.
Status
- Unknown
Stages
- Dating
Important relationship phases recorded for this case.
Warning Signals
- Discovery of suspicious emails
- Escalation Pattern / Violence
- Suspects identified
- Threats
- Divorce Pending / Recent Separation
Reported red flags or early concern points.
Pressure Points
- Cheating / Infidelity
- Financial Issues
- Domestic Conflict
- Money / Financial Gain
- Escape marriage
- Eliminate romantic rival
Contributing factors and possible motives from the available sources.
Incident
2016-08-28
Outcome
- Legal case ongoing
- Homicide before divorce
- Homicide before marriage
- Arrest made
- Investigation still ongoing
Recorded relationship or case outcome.
Sources
English labels are shown first. Original-language titles are preserved for source verification.
Olga Zwick, Irina Zwick, and others Injured in Alleged Murder Attempt by Victoria Nasirova, New York City, New York, United States
Insolito · Original language: English
View original title
Falsche Freundin vergiftet Doppelgängerin | Der Fall Olga Tsvyk
AI Intelligence Assessment
Relationship Pattern
Jealousy
Pattern Analysis
The case involves jealousy and identity theft where Victoria Nasirova targeted Olga Zwick, a similar-looking immigrant, to assume her identity. The poisoning and theft were part of a calculated plan to eliminate Olga and live under her identity in the USA, avoiding arrest in Russia. The pattern includes manipulation, deception, and escalating violence.
Investigative Notes
Police initially stalled due to lack of medical data access and disbelief. Evidence from cake packaging and DNA linked Victoria to the poisoning. Private detective work and social media analysis led to Victoria's arrest. Trial delayed by international and pandemic factors. Victoria convicted in 2023 for attempted murder and theft. Russian murder case remains unresolved.
Investigation Confusion
Initial police skepticism about poisoning claims due to lack of toxicology evidence and refusal of hospital to release medical data. Confusion over Victoria's involvement until forensic evidence emerged. Uncertainty about Victoria's awareness of being wanted in the USA. Russian murder case could not be tried in the USA, limiting evidence use.
Case Reconstruction / Puzzle Pieces
Olga moved to the USA and met Victoria through social circles. Victoria, wanted for murder in Russia, poisoned Olga with a cheesecake containing Fenaz, a rare benzodiazepine. Olga was hospitalized but survived. Victoria stole Olga's documents to assume her identity. Police investigation was slow but eventually linked Victoria through DNA and social media. Private detective Herman located Victoria, leading to her arrest and conviction.
Risk Assessment
High risk due to premeditated poisoning, identity theft, and international criminal background of the suspect. The suspect's history indicates potential for further harm if not apprehended.
Key Takeaways
Early signs of poisoning and identity theft can be subtle and require forensic evidence. Social media can be a critical tool in tracking suspects. Victims may face disbelief and bureaucratic obstacles. International criminal cases complicate investigations and prosecutions.
AI Case Q&A
What early signals mattered most?
Olga's sudden severe illness after eating cheesecake and Victoria's suspicious behavior including blocking contact.
Which clues helped connect the case?
DNA on cheesecake packaging, missing personal documents and cash, Victoria's social media presence, and traffic camera footage in Russia.
Which evidence types appeared strongest?
Forensic toxicology of cake packaging, DNA evidence, surveillance footage, witness statements, and recovered stolen items.
Witness / Eyewitness Statements
Neighbor saw Victoria visiting Olga with chicken soup after poisoning. Landlord Alec found Olga unconscious. Witnesses reported Victoria's suspicious presence.
How did follow-up reports change the understanding?
Initial police disbelief gave way to acceptance after forensic evidence. Private investigation supplemented official efforts. Trial delayed but resulted in conviction.
What remained unclear?
Murder case of Victoria's mother in Russia remains unresolved in US courts. Full extent of Victoria's motives and other possible victims remain unclear.