← Back to United States casesAndrew David Bby, Kate Bby, and others Allegedly Murdered by Shirley Jane Turner, Syracuse, New York, United States
Case Summary
Andrew David Bby, a medical doctor, was murdered by his ex-partner Shirley Jane Turner in Syracuse, New York, in 2001. Shirley was pregnant with Andrew's child at the time. After Andrew's death, Shirley retained custody of their son Zachary despite murder accusations and court battles with Andrew's parents, Kate and David Bby, who sought custody to protect their grandson. Shirley was later found to have murdered Zachary and committed suicide in 2003. The case exposed failures in the justice and child protection systems.
Basic Information
Country: United States
State/Province: New York, United States
City/Region: Syracuse
Incident Type: Domestic Violence Homicide
Relationship Status: Ex-partners
Relationship Duration:
Incident Date: Nov. 5, 2001
Incident Sequence and Additional Victims
Primary reported outcome: Homicide
Reported self-harm outcome: Completed suicide
Person(s) reported to have died by or attempted suicide: Shirley Jane Turner
Reported role: Alleged suspect / offender
Reported sequence: Homicide or serious injury, then suicide or attempt
Additional victims reported: 1
Additional victim events:
- Zachary Turner — Child; Killed; After self-harm
Relationship Journey
Relationship Origins:
- Friends circle
- Met during travel
Relationship Stages:
- Dating
- Engaged
- Separated
Analysis
Contributing Factors:
- Domestic Violence Allegation
- Long Distance Same Country
- Mental instability
- Divorce / Separation
Red Flags:
- False accusations of infidelity
- Deception after incident
- Escalation Pattern / Violence
- Manipulative behavior
- Missing Suspect
- Threats
- Suicidal Ideation
- Firearm Access / Concerning Weapon Behavior
- Divorce Pending / Recent Separation
Motives:
- Jealousy
- Family pressure
- Control/domination
- Suspicion of infidelity
- Eliminate romantic partner
Relationship Outcomes:
- Divorce filed
- Separation
- Custody dispute
- Legal case ongoing
- Homicide during marriage
- Suicide/self-harm
- Arrest made
- Deadbody recovery
People Link Graph
Relationship Journey Graph
Origin
- Friends circle
- Met during travel
How the relationship or connection began.
Status
- Ex-partners
Stages
- Dating
- Engaged
- Separated
Important relationship phases recorded for this case.
Warning Signals
- False accusations of infidelity
- Deception after incident
- Escalation Pattern / Violence
- Manipulative behavior
- Missing Suspect
- Threats
- Suicidal Ideation
- Firearm Access / Concerning Weapon Behavior
- Divorce Pending / Recent Separation
Reported red flags or early concern points.
Pressure Points
- Domestic Violence Allegation
- Long Distance Same Country
- Mental instability
- Divorce / Separation
- Jealousy
- Family pressure
- Control/domination
- Suspicion of infidelity
- Eliminate romantic partner
Contributing factors and possible motives from the available sources.
Incident
2001-11-05
Outcome
- Divorce filed
- Separation
- Custody dispute
- Legal case ongoing
- Homicide during marriage
- Suicide/self-harm
- Arrest made
- Deadbody recovery
Recorded relationship or case outcome.
Sources
English labels are shown first. Original-language titles are preserved for source verification.
Andrew David Bby, Kate Bby, and others Allegedly Murdered by Shirley Jane Turner, Syracuse, New York, United States
Lucia Leona · Original language: English
View original title
Die Psycho-Ex | Der Fall Andrew Bagby und Zachary Turner
AI Intelligence Assessment
Relationship Pattern
Jealousy
Pattern Analysis
The relationship between Andrew and Shirley was marked by jealousy, controlling behavior, and escalating conflict. Shirley's jealousy of Andrew's ex-fiancée and suspicion of infidelity contributed to tension. The long-distance nature of their relationship and Shirley's mental instability further exacerbated the situation, culminating in the murder of Andrew and later their child Zachary. The case also highlights systemic failures in child protection and justice.
Investigative Notes
Police quickly identified Shirley as a suspect after Andrew's murder. Her weapon was initially missing but later accounted for. Shirley fled to Newfoundland, complicating extradition. She was arrested but released on bail posted by her psychotherapist. Custody battles ensued between Shirley and Andrew's parents. Shirley was eventually detained but released after appeal. The child protection system failed to prevent Zachary's death. Shirley's lawyer was found guilty of misconduct related to her release.
Investigation Confusion
Initial confusion arose from Shirley's inconsistent statements and missing weapon. The extradition process was prolonged, and court delays hindered custody resolution. The decision to release Shirley despite murder accusations caused public and family outrage. The justice system's handling of Shirley's case and custody rights remains controversial.
Case Reconstruction / Puzzle Pieces
Andrew and Shirley's relationship deteriorated amid jealousy and long-distance strain. Shirley traveled with a firearm to confront Andrew, resulting in his murder on November 5, 2001. Shirley fled to Newfoundland, was arrested, and released on bail. Andrew's parents sought custody of Zachary, facing legal obstacles and limited visitation. Shirley was later detained but released again. In August 2003, Shirley disappeared with Zachary and subsequently drowned him and herself. Investigations revealed failures in child protection and justice systems.
Risk Assessment
High risk due to documented jealousy, possession of a firearm, prior suicide attempt, manipulative and deceptive behavior, and escalating violence culminating in homicide and filicide.
Key Takeaways
Early signs of jealousy, controlling behavior, and firearm possession are critical risk factors. The case underscores the importance of effective child protection and judicial responsiveness in domestic violence and custody disputes. Delays and legal missteps can have tragic consequences. Family advocacy and public awareness are vital in preventing similar tragedies.
AI Case Q&A
What early signals mattered most?
Jealousy, possession of a firearm by Shirley, prior suicide attempt, escalating arguments, and Shirley's intrusive behavior after breakup.
Which clues helped connect the case?
Shirley's inconsistent statements, missing weapon, phone call records, and presence at Andrew's computer on the day of the murder.
Which evidence types appeared strongest?
Physical evidence of gunshot wounds, phone and computer logs, witness accounts of Shirley's behavior, and legal documents related to custody and bail.
Witness / Eyewitness Statements
Not reported.
How did follow-up reports change the understanding?
Follow-up reports revealed Shirley's release on bail, custody battles, and eventual filicide-suicide, highlighting systemic failures.
What remained unclear?
Exact mental health status of Shirley at time of incidents and detailed court decision rationales remain unclear.