Kristin Rossum
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Kristin Margrethe Rossum (born October 25, 1976) is an American former
toxicologist Toxicology is a scientific discipline (academia), discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms and the practice of diagnos ...
who was convicted of the murder of her husband Gregory T. de Villers, who died from a lethal dose of
fentanyl Fentanyl is a highly potent synthetic piperidine opioid primarily used as an analgesic (pain medication). It is 30 to 50 times more Potency (pharmacology), potent than heroin and 50 to 100 times more potent than morphine. Its primary Medici ...
on November 6, 2000. Rossum is serving a
life sentence Life imprisonment is any sentence of imprisonment under which the convicted individual is to remain incarcerated for the rest of their natural life (or until pardoned or commuted to a fixed term). Crimes that result in life imprisonment are c ...
at the Central California Women's Facility in Chowchilla.


Background

Kristin Rossum was born in
Memphis, Tennessee Memphis is a city in Shelby County, Tennessee, United States, and its county seat. Situated along the Mississippi River, it had a population of 633,104 at the 2020 United States census, 2020 census, making it the List of municipalities in Tenne ...
. She grew up in Claremont,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, the oldest child of Ralph and Constance Rossum. Her father is a professor and her mother worked at
Azusa Pacific University Azusa Pacific University (APU) is a private evangelical research university in Azusa, California, United States. The university was founded in 1899 in Whittier, California, with classes first held on March 3, 1900, and degrees offered in 193 ...
. She has two brothers. In 1991, after her father accepted the position of President of
Hampden–Sydney College Hampden–Sydney College (H-SC) is a Private college, private Liberal arts colleges in the United States, liberal arts Men's colleges in the United States, college for men in Hampden Sydney, Virginia. Founded in 1775, it is the oldest privatel ...
, the family moved to
Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
and Kristin enrolled at the all-girls St. Catherine's School in Richmond. There, Rossum began drinking beer and smoking cigarettes. She also tried
marijuana Cannabis (), commonly known as marijuana (), weed, pot, and ganja, List of slang names for cannabis, among other names, is a non-chemically uniform psychoactive drug from the ''Cannabis'' plant. Native to Central or South Asia, cannabis has ...
, but said it had little effect. Starting in 1992, she began using
methamphetamine Methamphetamine (contracted from ) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational drug use, recreational or Performance-enhancing substance, performance-enhancing drug and less commonly as a secon ...
. In 1994, Rossum moved back to California and enrolled part-time at the University of Redlands and moved into a dormitory on campus, but eventually left following a
relapse In internal medicine, relapse or recidivism is a recurrence of a past (typically medical) condition. For example, multiple sclerosis and malaria often exhibit peaks of activity and sometimes very long periods of dormancy, followed by relapse or r ...
. After overcoming her addiction and beginning her relationship with Greg de Villers, Rossum enrolled at
San Diego State University San Diego State University (SDSU) is a Public university, public research university in San Diego, California, United States. Founded in 1897, it is the third-oldest university and southernmost in the 23-member California State University (CS ...
and graduated with honors in 1998. After graduating, she worked as a
toxicologist Toxicology is a scientific discipline (academia), discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms and the practice of diagnos ...
at the
San Diego County San Diego County (), officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; it is the second-most populous ...
medical examiner's office. Rossum and de Villers married in 1999. The following year, she began an
extramarital affair An affair is a relationship typically between two people, one or both of whom are either married or in a long-term monogamous or emotionally-exclusive relationship with someone else. The affair can be solely sexual, solely physical or solely em ...
with her boss, Dr. Michael Robertson.


Murder

In late 2000, de Villers had learned about both the affair and her resumption of her meth habit, threatening to expose both to the medical examiner if she did not quit her job. Robertson, who also knew Rossum had relapsed, learned of this threat prior to the death of de Villers. On November 6, 2000, just after 9:15 p.m., Rossum dialled
9-1-1 911, sometimes written , is an emergency telephone number for Argentina, Canada, the Dominican Republic, Fiji, Jordan, Mexico, Pakistan, Maldives, Palau, Panama, Iraq, the Philippines, Sint Maarten, the United States, and Uruguay, as well as ...
and reported that de Villers had committed
suicide Suicide is the act of intentionally causing one's own death. Risk factors for suicide include mental disorders, physical disorders, and substance abuse. Some suicides are impulsive acts driven by stress (such as from financial or ac ...
. Paramedics found him lying unresponsive on the couple's bed, which was sprinkled with red rose petals; he was pronounced dead on arrival at the hospital. Rossum told authorities he had committed suicide. Despite her claims, de Villers's family – particularly his brother, Jerome – were adamant that he was not suicidal. However,
San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
police The police are Law enforcement organization, a constituted body of Law enforcement officer, people empowered by a State (polity), state with the aim of Law enforcement, enforcing the law and protecting the Public order policing, public order ...
were initially reluctant to open an investigation. One month after de Villers' death, Rossum and Robertson were both fired from the medical examiner's office – Rossum for hiding her meth habit, and Robertson for enabling her meth habit, as well as for fraternization with a subordinate. Due to potential
conflicts of interest A conflict of interest (COI) is a situation in which a person or organization is involved in multiple interests, financial or otherwise, and serving one interest could involve working against another. Typically, this relates to situations in whi ...
, the San Diego medical examiner outsourced de Villers'
autopsy An autopsy (also referred to as post-mortem examination, obduction, necropsy, or autopsia cadaverum) is a surgical procedure that consists of a thorough examination of a corpse by dissection to determine the cause, mode, and manner of deat ...
to an outside lab in
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
. The tests showed de Villers had seven times the lethal dose of
fentanyl Fentanyl is a highly potent synthetic piperidine opioid primarily used as an analgesic (pain medication). It is 30 to 50 times more Potency (pharmacology), potent than heroin and 50 to 100 times more potent than morphine. Its primary Medici ...
in his system. Under questioning, Rossum told detectives that her husband had been depressed before he died, while her father stated that he seemed to be deeply distressed and that he drank heavily on the night he died. As the investigation continued, police learned about Rossum's relapse, and about a phone call she made to de Villers's employer telling them he would not be coming in to work the day of his murder.


Trial and conviction

On June 25, 2001, seven months after de Villers' death, Rossum was arrested and charged with murder. On January 4, 2002, her parents posted her $1.25 million
bail Bail is a set of pre-trial restrictions that are imposed on a suspect to ensure that they will not hamper the judicial process. Court bail may be offered to secure the conditional release of a defendant with the promise to appear in court when ...
. At trial, the
prosecution A prosecutor is a legal representative of the prosecution in states with either the adversarial system, which is adopted in common law, or inquisitorial system, which is adopted in Civil law (legal system), civil law. The prosecution is the ...
contended that Rossum murdered her husband to keep him from telling her bosses about both her affair and her use of meth stolen from the drug lab.
Defense Defense or defence may refer to: Tactical, martial, and political acts or groups * Defense (military), forces primarily intended for warfare * Civil defense, the organizing of civilians to deal with emergencies or enemy attacks * Defense industr ...
attorneys argued that de Villers was suicidal and poisoned himself. Rossum's brother-in-law, Jerome de Villers, testified that it was difficult to believe his brother had committed suicide because he hated drugs. Rossum's account of the day of death was that she went to work in the morning, then returned in the early afternoon to check on her husband and serve him a bowl of soup. She returned to work, then came home around 7 P.M. where she said she showered and shaved her legs. Upon drying herself, she went to the bedroom where she found her husband not breathing, and called 911. The 9-1-1 tape played in court appeared to indicate Rossum was administering CPR to her husband. The prosecution had presented a store card receipt from Vons where it was shown she had acquired a single red rose. Crumpled rose petals were found on de Villers' corpse akin to the film '' American Beauty''. The defense claimed de Villers' had put the petals on himself for his final action out of suicidal grief, which was refuted by the prosecution who argued that a man of de Villers build having overdosed on fentanyl would lack the energy to accomplish this. The clinching evidence was the credit card receipt, having been timestamped 12:42 P.M., the same time Rossum having claimed to be at home nursing her husband. On November 12, 2002, Rossum was found guilty of
first degree murder Murder is the unlawful killing of another human without justification (jurisprudence), justification or valid excuse (legal), excuse committed with the necessary Intention (criminal law), intention as defined by the law in a specific jurisd ...
. On December 12, she was sentenced to life in prison without the possibility for
parole Parole, also known as provisional release, supervised release, or being on paper, is a form of early release of a prisoner, prison inmate where the prisoner agrees to abide by behavioral conditions, including checking-in with their designated ...
, and a $10,000 fine. She was transferred to the Central California Women's Facility in Chowchilla, the largest women's correctional facility in the U.S.


Recent events

In 2006, both Rossum and
San Diego County San Diego County (), officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; it is the second-most populous ...
were named as defendants in a
wrongful death Wrongful death is a type of legal claim or cause of action against a person who can be held liable for a death. The claim is brought in a civil action, usually by close relatives, as authorized by statute. In wrongful death cases, survivors are ...
lawsuit filed by de Villers' family. A jury ordered Rossum to pay more than $100 million in
punitive damages Punitive damages, or exemplary damages, are damages assessed in order to punish the defendant for outrageous conduct and/or to reform or deter the defendant and others from engaging in conduct similar to that which formed the basis of the lawsuit. ...
, while San Diego County was ordered to pay $1.5 million. The family had originally asked for $50 million in punitive damages, but jurors awarded double that amount after estimating Rossum could have made $60 million from selling the rights to her story. John Gomez, the lawyer for the de Villers family, acknowledged that the family may never see the money, but wanted to make sure Rossum does not profit from her crime. A judge later reduced the punitive damages award to $10 million, but allowed the $4.5 million compensatory award to stand. In September 2010, a three-judge panel of the 9th U.S. Circuit Court of Appeals ruled that Rossum's lawyers should have challenged the prosecution's assertion, by doing its own tests, that she poisoned her husband with fentanyl. The panel ordered a San Diego federal court to hold a hearing into whether the defense's error could have affected the trial's outcome. On September 13, 2011, the U.S. Court of Appeals withdrew its opinion and replaced it with a one-paragraph statement that under a new
Supreme Court In most legal jurisdictions, a supreme court, also known as a court of last resort, apex court, high (or final) court of appeal, and court of final appeal, is the highest court within the hierarchy of courts. Broadly speaking, the decisions of ...
precedent, Rossum's petition was denied. Following his termination by the San Diego medical examiner's office, Robertson returned to his home in Brisbane, Queensland, Australia, ostensibly to care for his ailing mother. In September 2013, the ''
San Diego Reader The ''San Diego Reader'' is an alternative press newspaper in San Diego County, California. Published weekly since October 1972, the ''Reader'' is distributed free on Wednesday and Thursday via street boxes and cooperating retail outlets. Hi ...
'' reported that, in 2006, prosecutors secretly filed a criminal complaint charging Robertson – who was named as an
unindicted co-conspirator In criminal law, a conspiracy is an agreement between two or more people to commit a crime at some time in the future. Criminal law in some countries or for some conspiracies may require that at least one overt act be undertaken in furtherance ...
at Rossum's trial – with one count of conspiracy to obstruct justice. If the Australian government elects to extradite Robertson or he voluntarily returns to the US, he could face up to three years in prison. As of 2014, Robertson is running a forensic consulting service in Brisbane.


In popular culture

Rossum was featured in episodes of
true crime True crime is a genre of non-fiction work in which an author examines a crime, including detailing the actions of people associated with and affected by the crime, and investigating the perpetrator's Motive (law), motives. True crime works often ...
documentary series such as
Oxygen Oxygen is a chemical element; it has chemical symbol, symbol O and atomic number 8. It is a member of the chalcogen group (periodic table), group in the periodic table, a highly reactivity (chemistry), reactive nonmetal (chemistry), non ...
's true crime series '' Snapped'',
truTV TruTV (stylized as truTV) is an American basic cable Television channel, channel owned by Warner Bros. Discovery. The channel primarily broadcasts reruns of Television comedy, comedy, Reality television, docusoaps and reality shows, with a rec ...
's ''The Investigators'', and
Investigation Discovery Investigation Discovery (stylized and branded on-air as ID since 2008) is an American multinational pay television network dedicated to true crime documentaries, similar to corporate sibling HLN. It is owned by Warner Bros. Discovery's netw ...
's ''
Deadly Women ''Deadly Women'' is an American true crime documentary television series produced by Beyond International Group and airing on the Investigation Discovery (ID) Television, network. The series focuses on murders committed by women. It is hosted ...
''. Her story was also featured on
newsmagazine A news magazine is a typed, printed, and published magazine, radio, or television program, usually published weekly, consisting of articles about current events. News magazines generally discuss stories in greater depth than newspapers or new ...
s such as CBS's '' 48 Hours''. Caitlin Rother, who was interviewed for each episode, wrote ''Poisoned Love'', a book about the case: . Another book about Rossum was ''Deadly American Beauty'' by John Glatt: .


References


External links


Crime Library
{{DEFAULTSORT:Rossum, Kristen 1976 births Living people Criminals from Memphis, Tennessee San Diego State University alumni People from Claremont, California People from San Diego American female murderers American people convicted of murder American prisoners sentenced to life imprisonment Mariticides Prisoners sentenced to life imprisonment by California Poisoners People convicted of murder by California University of Redlands alumni Fentanyl Criminals from California 20th-century American criminals 2000 murders in the United States