← Back to United States casesKathy Augustine Murdered by Chaz Higgs, Reno, Nevada, United States
Case Summary
Nevada state controller Kathy Augustine was hospitalized after becoming unconscious at her Reno home on July 8, 2006, initially appearing to have suffered an unexplained medical emergency. A nurse, Kim Ramsey, reported that her husband, critical-care nurse Chaz Higgs, had discussed using succinylcholine to kill someone and had expressed hostility toward Kathy. Toxicology later detected succinylcholine, and investigators found additional drug-related materials and an unexplained puncture wound. Higgs was charged with first-degree murder, convicted on June 29, 2007, and sentenced to life in prison with the possibility of parole after 20 years.
Basic Information
Country: United States
State/Province: Nevada, United States
City/Region: Reno
Incident Type: Domestic Violence Homicide
Relationship Status: Married
Relationship Duration:
Affair / New-Partner Context
Recorded context: Affair started / overlapping relationship
Reported initiator: Alleged suspect / offender
Relationship timing: During marriage or ongoing partnership, before separation
Incident Date: July 8, 2006
Incident Sequence and Additional Victims
Primary reported outcome: Homicide
Reported self-harm outcome: Attempted suicide; survived
Person(s) reported to have died by or attempted suicide: Chaz Higgs
Reported role: Alleged suspect / offender
Reported sequence: Homicide or serious injury, then suicide or attempt
Additional victims reported: 0
Relationship Journey
Relationship Origins:
- Met at Workplace
Relationship Stages:
- Dating
- Married Living Together
- Separated
- Love Marriage
Analysis
Contributing Factors:
- Cheating / Infidelity
- Domestic Conflict
- Divorce / Separation
- Suspicion of infidelity
Red Flags:
- Secretive communication patterns
- Unusual closeness with a specific third person
- Financial secrecy
- Deception after incident
- Escalation Pattern / Violence
- Secret affair
- Threats
- Mental Health Deterioration / Hopelessness
Motives:
- Eliminate spouse
- Extramarital relationship
- Control/domination
- Fear of exposure
- Desire for new relationship
Relationship Outcomes:
- Legal case ongoing
- Homicide during marriage
- Arrest made
- Weapon recovery
- Suicide
- Self-harm
Source Video
Video hosted by YouTube · Viewer discretion advised
People Link Graph
Kathy Augustine Murdered by Chaz Higgs, Reno, Nevada, United States
Relationship Journey Graph
Origin
- Met at Workplace
How the relationship or connection began.
Status
- Married
Stages
- Dating
- Married Living Together
- Separated
- Love Marriage
Important relationship phases recorded for this case.
Warning Signals
- Secretive communication patterns
- Unusual closeness with a specific third person
- Financial secrecy
- Deception after incident
- Escalation Pattern / Violence
- Secret affair
- Threats
- Mental Health Deterioration / Hopelessness
Reported red flags or early concern points.
Pressure Points
- Cheating / Infidelity
- Domestic Conflict
- Divorce / Separation
- Suspicion of infidelity
- Eliminate spouse
- Extramarital relationship
- Control/domination
- Fear of exposure
- Desire for new relationship
Contributing factors and possible motives from the available sources.
Incident
2006-07-08
Outcome
- Legal case ongoing
- Homicide during marriage
- Arrest made
- Weapon recovery
- Suicide
- Self-harm
Recorded relationship or case outcome.
AI Intelligence Assessment
Relationship Pattern
Infidelity
Pattern Analysis
The relationship began rapidly after Kathy's estranged husband died while receiving care from Chaz, followed by a marriage three weeks later. The source describes escalating marital conflict, repeated hostility, online romantic interests, and alleged planning around a lethal drug. Public claims of a loving marriage conflicted with coworker accounts, reported threats, and post-incident behavior.
Investigative Notes
Police initially treated Kathy's condition as an unexplained medical emergency. Kim Ramsey's report prompted further investigation, while preserved blood and urine samples were sent to the FBI laboratory in Quantico for succinylcholine testing. Investigators interviewed paramedics and medical staff, and Chaz declined to speak with police. The toxicology result in September 2006 supported the homicide case. Police reported finding instructions concerning succinylcholine, etomidate, and a bookmarked drug handbook in materials associated with Chaz. He was arrested, charged with first-degree murder in December 2006, convicted on June 29, 2007, and sentenced to life with possible parole after 20 years.
Investigation Confusion
The case initially appeared to be a medical emergency rather than a criminal act. Investigators had to determine whether succinylcholine had been administered therapeutically by paramedics or medical staff and later had to establish the method of administration. Chaz publicly described a loving relationship and denied wrongdoing at trial, while coworkers described hostility and threats. The source also presents conflicting interpretations of his suicide attempts, including remorse, avoidance of accountability, or control of the situation.
Case Reconstruction / Puzzle Pieces
Kathy and Chaz met while Chaz was caring for Kathy's estranged husband, Charles, in hospital. After Charles died, Kathy and Chaz married within three weeks and moved into Kathy's Reno home. Their marriage later became highly acrimonious, with reported threats, outside romantic interests, and reluctance to pursue divorce. On July 8, 2006, Kathy became unconscious at home and was taken to hospital; she later died after life support was withdrawn. A nurse's report, toxicology testing, witness accounts, the unexplained puncture wound, and drug-related materials connected the medical event to a homicide investigation. The jury convicted Chaz of first-degree murder.
Risk Assessment
The reported risk indicators included a highly rapid relationship transition, severe marital conflict, repeated statements that Kathy should die, romantic interests outside the marriage, alleged access to controlled medical drugs, and apparent concealment. The source also reports two nonfatal suicide attempts by Chaz after the homicide, but does not establish his internal motives with certainty.
Key Takeaways
The source illustrates how a relationship homicide can initially be obscured by a plausible medical explanation. Important comparison signals include explicit death threats, escalating domestic conflict, overlapping romantic interests, specialized occupational knowledge, access to controlled substances, inconsistent public and private relationship narratives, and unusual conduct during an emergency. The case also shows the investigative value of timely witness disclosure and preserved biological samples.
AI Case Q&A
What early signals mattered most?
The most important reported early signals were Chaz's repeated comments that he wanted Kathy dead, constant marital fighting, online and outside romantic interests, avoidance of divorce, and his alleged knowledge of succinylcholine's effects and detectability.
Which clues helped connect the case?
Kim Ramsey's report connected Chaz's prior comments to Kathy's unexplained coma. Later clues included succinylcholine in toxicology, an unexplained puncture wound, witness accounts of hostility and affairs, his detached conduct during the emergency response, benefits-related activity while Kathy remained comatose, and drug instructions found among his possessions.
Which evidence types appeared strongest?
The strongest reported evidence was the toxicology result identifying succinylcholine, supported by preserved hospital samples. Other significant evidence included Kim Ramsey's testimony, coworker testimony, the pathologist's observation of a puncture wound, drug-related materials, and evidence of conflicting public and private accounts of the marriage.
Witness / Eyewitness Statements
Kim Ramsey reportedly told authorities that Chaz had expressed animus toward Kathy, wished he were dead, and remarked that succinylcholine could be used to kill someone without postmortem detection. Coworkers reportedly described hostility and statements that he wished Kathy dead. Paramedics reportedly described him as detached and reading a newspaper during transport. Family members appeared with him at a press conference and were described as grieving deeply.
How did follow-up reports change the understanding?
Follow-up reporting changed the case from an apparent unexplained medical emergency to a homicide investigation after Ramsey's disclosure and later toxicology results. The investigation then developed evidence about the alleged injection method, Chaz's outside romantic interests, his conduct during the emergency, and drug-related materials. The later trial and conviction resolved the legal outcome reported in the source.
What remained unclear?
The precise moment and circumstances of the injection were not directly established in the source; the state's theory was that it occurred while Kathy was asleep or waking. The source does not identify exactly how Chaz obtained the drug, what was said during Kathy's final minutes, or whether either reported suicide attempt reflected genuine suicidal intent. It also does not provide a complete account of the later legal or parole status.