{"id":115,"date":"2026-05-02T05:20:12","date_gmt":"2026-05-02T05:20:12","guid":{"rendered":"https:\/\/mackenzieshirilla.com\/blog\/?p=115"},"modified":"2026-05-02T05:20:14","modified_gmt":"2026-05-02T05:20:14","slug":"sheila-davalloo","status":"publish","type":"post","link":"https:\/\/mackenzieshirilla.com\/blog\/sheila-davalloo\/","title":{"rendered":"Sheila Davalloo: Inside the Life, Crimes, and Conviction of a Notorious Murderer"},"content":{"rendered":"\n

The complete narrative of Sheila Davalloo begins with her childhood in Iran and ends with her unexpected verdict for murdering Anna Lisa Raymundo and trying to kill her spouse.<\/p>\n\n\n\n

Who Is Sheila Davalloo?<\/h2>\n\n\n\n

Sheila Davalloo is an Iranian\u2013American woman whose name became internationally known after she was convicted of two brutal crimes rooted in a twisted office love triangle. Born on May 11, 1969, in Iran, Davalloo moved with her family to the United States, where she grew up in an immigrant household that placed strong emphasis on education and career success. Her outwardly successful life\u2014as a data\u2011management and research professional at major pharmaceutical companies\u2014contrasted sharply with the hidden obsession and violence that later defined her.<\/p>\n\n\n\n

Because of her role in these high\u2011profile criminal cases, \u201cSheila Davalloo\u201d is now a frequently searched true\u2011crime keyword, especially in connection with media coverage from Oxygen\u2019s\u00a0Snapped<\/em>\u00a0and ITV\u2019s\u00a0Killer Women With Piers Morgan<\/em>.<\/p>\n\n\n\n

Sheila Davalloo \u2013 Biography Snapshot<\/strong><\/h2>\n\n\n\n
Field<\/th>Detail<\/th><\/tr><\/thead>
Name<\/strong><\/td>Sheila Davalloo <\/td><\/tr>
Other names<\/strong><\/td>Sometimes spelled as Sheila Davaloo<\/em> or Sheila Davallo<\/em> in informal media; no widely known alternate public aliases. <\/td><\/tr>
Age (as of 2026)<\/strong><\/td>56 years old (born May 11, 1969). <\/td><\/tr>
Date of birth<\/strong><\/td>May 11, 1969 <\/td><\/tr>
Birth place<\/strong><\/td>Iran (family moved to the United States while she was young). <\/td><\/tr>
Birth sign<\/strong><\/td>Taurus (May 11 falls under the Taurus zodiac range).<\/td><\/tr>
Home town (early)<\/strong><\/td>Grew up in an immigrant household in the United States; later associated with the Westchester County, New York area (Pleasantville) and Stamford, Connecticut professional circle. <\/td><\/tr>
Residence (during crimes)<\/strong><\/td>Lived in Pleasantville, New York, with her husband Paul Christos; frequently traveled to Stamford, Connecticut, for work and to commit the murder of Anna Lisa Raymundo. <\/td><\/tr>
Nationality<\/strong><\/td>Iranian\u2013American (born in Iran, later a U.S. resident\/citizen). <\/td><\/tr>
Profession<\/strong><\/td>Research scientist and pharmaceutical professional; worked at Purdue Pharma L.P. in data management and research roles. <\/td><\/tr>
Caste \/ Ethnicity<\/strong><\/td>Not publicly documented in terms of \u201ccaste\u201d system; described as an Iranian\u2011origin woman raised in the U.S., part of an immigrant family background. <\/td><\/tr>
Religion<\/strong><\/td>Not officially recorded in public criminal profiles; her family background is Iranian, but no specific religious denomination is clearly mentioned in mainstream case reports. <\/td><\/tr>
Major cases<\/strong><\/td>– Attempted murder of husband Paul Christos<\/strong> (2003; stabbed in their Pleasantville, NY condo; convicted 2004, 25\u2011year sentence). <\/a><\/a>
– First\u2011degree murder of colleague Anna Lisa Raymundo<\/strong> (stabbed in Stamford, CT condo, November 8, 2002; convicted 2012, 50\u2011year sentence). <\/td><\/tr>
Crime timeline (key years)<\/strong><\/td>– 2002<\/strong>: Murders Anna Lisa Raymundo in Stamford, CT. 
– 2003<\/strong>: Attempts to murder husband Paul Christos in Pleasantville, NY. <\/a><\/a>
– 2004<\/strong>: Convicted of attempted murder of Paul Christos; begins 25\u2011year prison term. 
– 2012<\/strong>: Convicted of first\u2011degree murder of Anna Lisa Raymundo; receives 50\u2011year sentence after completing NY term. <\/td><\/tr>
Type of crime<\/strong><\/td>Violent, premeditated crimes driven by jealousy and obsession:
– Spousal attempted murder (stabbing and poisoning attempt). <\/a><\/a>
– Stabbing murder of a romantic rival (Anna Lisa Raymundo; multiple deep wounds to chest, neck, and face). <\/td><\/tr>
Fame \/ reason for public attention<\/strong><\/td>– Became a widely covered true\u2011crime case due to the \u201coffice love triangle\u201d between Sheila, her husband Paul Christos, and coworker Anna Lisa Raymundo. 
– Featured in Oxygen\u2019s Snapped<\/em> and ITV\u2019s Killer Women With Piers Morgan<\/em>, which explored her motives and prison interviews. <\/td><\/tr>
Current status<\/strong><\/td>Incarcerated in the U.S. prison system, serving a 25\u2011year sentence for attempted murder of Paul Christos followed by a 50\u2011year sentence for the murder of Anna Lisa Raymundo. <\/td><\/tr>
Key traits (media portrayal)<\/strong><\/td>Described as intelligent, highly educated, and outwardly professional, but pathologically jealous and manipulative; her crimes were linked to her obsession with coworker Nelson Sessler. <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/a><\/a><\/p>\n\n\n\n

Early Life and Education<\/h2>\n\n\n\n

Davalloo\u2019s early years were marked by ambition and discipline, traits that helped her excel academically. She performed well in school and later pursued higher education in biochemistry, eventually earning a master\u2019s degree, which opened doors to a professional career in the pharmaceutical industry. Her background as a smart, driven immigrant daughter played a key role in shaping how she presented herself in public\u2014respectable, articulate, and outwardly stable.<\/a><\/p>\n\n\n\n

This polished image made her later crimes even more shocking to colleagues and acquaintances who had only ever seen her as a competent, seemingly normal working\u2011class woman.<\/p>\n\n\n\n

Career at Purdue Pharma and Social Circle<\/h2>\n\n\n\n

Sheila Davalloo worked in the pharmaceutical world, including positions at Purdue Pharma L.P. in Stamford, Connecticut, where she held roles such as Global Manager in data management. The company\u2019s high\u2011pressure environment placed her in close daily contact with colleagues, which is where her personal drama began to unfold.<\/a><\/p>\n\n\n\n

It was at Purdue that she met Nelson Sessler, a fellow researcher, and the two began an affair. However, the relationship changed when Sessler shifted his attention to another coworker, 32\u2011year\u2011old Anna Lisa Raymundo, who became both his romantic partner and Sheila\u2019s perceived rival.<\/p>\n\n\n\n

The Murder of Anna Lisa Raymundo<\/h2>\n\n\n\n

On November 8, 2002, Sheila Davalloo traveled from Westchester, New York, to Stamford, Connecticut, to Anna Lisa Raymundo\u2019s condominium. What followed was a savage attack: Davalloo stabbed Raymundo multiple times, killing her in what authorities described as a premeditated act of jealousy\u2011driven rage.<\/p>\n\n\n\n

The prosecution argued that Davalloo had planned the murder to eliminate Raymundo and remove the obstacle standing between her and her desire to rekindle a relationship with Sessler. The case gained national attention not only because of the brutality of the crime but also because of the professional, seemingly ordinary background of the accused.<\/p>\n\n\n\n

The Attempted Murder of Her Husband, Paul Christos<\/h2>\n\n\n\n

The deadly pattern in Davalloo\u2019s behavior did not begin with Raymundo. Earlier, in 2001, she was arrested in connection with the attempted murder of her husband, Paul Christos. Prosecutors contended that she had poisoned him with anti\u2011seizure medication, leading to a severe medical emergency that initially masked the criminal intent behind his symptoms.<\/a><\/p>\n\n\n\n

In a non\u2011jury trial in New York, she was convicted of attempted murder and sentenced to 25 years in state prison. The case was presented as part of a larger pattern of obsessive control and extreme jealousy, painting a picture of a woman willing to harm loved ones to protect or reclaim a romantic relationship.<\/a><\/p>\n\n\n\n

Trial, Conviction, and Sentence<\/h2>\n\n\n\n

Years after the attempted murder of her husband, law enforcement reopened the investigation into Anna Lisa Raymundo\u2019s death, linking Sheila Davalloo to the crime scene through circumstantial evidence and motives rooted in the same love triangle. In 2012, a Connecticut jury convicted her of first\u2011degree murder in the stabbing death of Raymundo.<\/p>\n\n\n\n

She received a 50\u2011year prison sentence for that murder, to be served after she completed her 25\u2011year term in New York for the attempted murder of Paul Christos. This meant that Sheila Davalloo effectively faced a life behind bars, with no possibility of parole for the Raymundo murder.<\/a><\/p>\n\n\n\n

Psychology and Motive: Obsession and Jealousy<\/h2>\n\n\n\n

What sets the Sheila Davalloo case apart from many true\u2011crime stories is the clear psychological thread of obsession and jealousy. Experts and prosecutors described her actions as driven by a pathological need to control key relationships in her life\u2014at the cost of others\u2019 lives.<\/p>\n\n\n\n

The \u201clove triangle\u201d narrative involving Davalloo, Sessler, and Raymundo became a focal point in media analyses, with commentators highlighting how workplace affairs and emotional insecurity can spiral into deadly violence. For readers searching for \u201cSheila Davalloo,\u201d understanding this motive is often the central reason they land on an article about her.<\/p>\n\n\n\n

Media Coverage and Public Interest<\/h2>\n\n\n\n

Because of the dramatic elements\u2014professional setting, office affair, and a double murder\u2011attempt plot\u2014Sheila Davalloo\u2019s case has been revisited multiple times in true\u2011crime documentaries and series. In Piers Morgan\u2019s Killer Women With Piers Morgan<\/em>, Davalloo broke her years\u2011long silence and spoke directly about the events surrounding Raymundo\u2019s murder, giving viewers a rare, first\u2011person perspective on the case.<\/a><\/a><\/p>\n\n\n\n

Oxygen\u2019s Snapped<\/em> also featured an episode on her, reinforcing her status as a textbook example of a jealous\u2011spree\u2011killer in the true\u2011crime genre. These shows continue to drive search traffic for \u201cSheila Davalloo,\u201d making the keyword valuable for SEO\u2011driven article coverage.<\/a><\/p>\n\n\n\n

Sheila Davalloo Today: Life Behind Bars<\/h2>\n\n\n\n

As of the latest available records, Sheila Davalloo remains incarcerated, serving out her lengthy sentences in the U.S. prison system. There have been no public reports of early release or parole, reflecting the severity of the crimes for which she was convicted.<\/a><\/p>\n\n\n\n

Her story today is less about a free life and more about a cautionary tale: how intelligence, professional success, and outward normalcy can coexist with a dark, violent inner world.<\/p>\n\n\n\n

Why People Search for \u201cSheila Davalloo\u201d<\/h2>\n\n\n\n

For readers, \u201cSheila Davalloo\u201d serves as more than a name\u2014it stands for a complex mix of true\u2011crime intrigue, psychological analysis, and media fascination. People searching for her often want:<\/a><\/a><\/p>\n\n\n\n