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‘Dateline NBC’: Who killed Teresa Sievers? Florida mother was murdered over insurance money

Mark Sievers, Teresa's husband, was poised to gain substantially from her life insurance policies, amounting to a staggering $4.433 million
PUBLISHED MAY 24, 2024
Following the end of her first marriage in 2003, Teresa married Mark Sievers, with whom she had two daughters (@nbc)
Following the end of her first marriage in 2003, Teresa married Mark Sievers, with whom she had two daughters (@nbc)

FLORIDA, MIAMI: The murder of Teresa Sievers, a respected holistic doctor, sent shockwaves through Bonita Springs, Florida, and beyond. Teresa, known for her compassionate care and dedication to holistic medicine, was brutally attacked in her own home on June 28, 2015. Bludgeoned to death with a hammer, she fell victim to a calculated and chilling crime orchestrated by her husband, Mark Sievers.

However, Mark didn't act alone. He enlisted the help of Curtis Wayne Wright Jr, a childhood friend, and Jimmy Ray Rodgers to carry out the heinous act. Motivated by financial gain and fear of losing custody of their children, Mark Sievers meticulously planned to eliminate his wife.

The subsequent investigation unveiled a web of deceit, manipulation, and betrayal, ultimately leading to convictions for all involved. As the details of Teresa Sievers' tragic murder emerged, the case captured national attention. More chilling details will be uncovered in the new episode of 'Dateline NBC.'

Who was Teresa Sievers?

Dr Teresa Sievers, born Teresa Ann Grace Tottenham on November 19, 1968, in Derby, Connecticut, was a dedicated physician renowned for her steadfast commitment to holistic medicine. Raised by her mother after her parents separated when she was just one month old, Teresa aspired to become a doctor since sixth grade and excelled academically, becoming her high school class valedictorian.

She graduated from the Ross University School of Medicine in 1996 and completed her residency at the University of Florida. Following the end of her first marriage in 2003, Teresa married Mark Sievers, with whom she had two daughters.

The family relocated to Bonita Springs, Florida, in 2006, where they established the Restorative Health and Healing Center. Tragically, on June 28, 2015, Teresa was brutally murdered in her home, bludgeoned to death with a hammer.

The investigation uncovered chilling details implicating Teresa's husband, Mark, as the mastermind behind her murder. Motivated by marital discord, custody concerns, and the lure of life insurance proceeds, Mark orchestrated the heinous crime. He conspired with his childhood friend, Curtis Wayne Wright Jr, and another individual, Jimmy Ray Rodgers, to carry out the murder.

Teresa Sievers was a holistic doctor (@NBC)
Teresa Sievers was born on November 19, 1968, in Derby, Connecticut (@nbc)

Why was Teresa Sievers leaving her husband Mark Sievers?

Teresa Sievers' choice to part ways with her husband, stemmed from various factors, including marital discord and concerns about the future of their two daughters.

The couple had been grappling with significant relationship challenges, leading Teresa to seriously consider separation. A pivotal aspect of their impending separation was the looming struggle for custody of their children. Teresa, driven by her dedication to her daughter's well-being, expressed intentions to seek custody.

Teresa Sievers was killed by husband Mark Sievers (@NBC)
Teresa Sievers' choice to part ways with her husband Mark Sievers, stemmed from various factors, including marital discord and concerns about the future of their two daughters (@nbc)

Why did Curtis Wayne Junior and Jimmy Ray help Mark Sievers kill Teresa Sievers?

Curtis Wayne Wright Jr. and Jimmy Ray Rodgers became accomplices in the murder of Teresa Sievers alongside Mark Sievers for a convoluted array of motives. Foremost among these was the promise of financial gain.

Mark, Teresa's husband, was poised to gain substantially from her life insurance policies, amounting to a staggering $4.433 million. In return for their collaboration, Wright and Rodgers might have been enticed by the prospect of securing a portion of these funds.

Furthermore, Wright's longstanding friendship with Mark, combined with Rodgers' connection to either Mark or Wright, likely played a significant role in their decision to take part. Mark exploited his bonds with Wright and Rodgers, leveraging their vulnerabilities to compel their involvement.

Additionally, the criminal backgrounds of Wright and Rodgers made them more receptive to engaging in illegal activities, especially given the allure of financial gain and the opportunity to participate in a high-stakes crime orchestrated by Mark Sievers. 

Mark Sievers killed Teresa for insurance money (@NBC)
Mark Sievers killed Teresa for insurance money (@nbc)

How did Mark Sievers plan Teresa Siever’s murder?

Mark Sievers meticulously orchestrated the murder of his wife, Teresa Sievers, through a detailed and calculated plan. Motivated by financial gain and fear of losing custody of their children, Mark recruited Curtis Wayne Wright Jr, a childhood friend, to assist in the execution of the crime. Wright, in turn, enlisted Jimmy Ray Rodgers as a collaborator.

To evade detection, Mark and Wright communicated covertly by utilizing burner phones in the weeks leading up to the murder. They meticulously strategized the assault, selecting a time when Mark and their daughters would be away to establish his alibi.

On the morning of June 28, 2015, Teresa returned home alone from a family vacation and was ambushed by Wright and Rodgers, who fatally attacked her with a hammer. Following the murder, Wright and Rodgers disposed of evidence and established false alibis. Meanwhile, Mark maintained his distance from the crime scene, ensuring he appeared uninvolved.

Mark planned  wifeTeresa's murder (@NBC)
Mark Sievers meticulously planned to kill his wife, Teresa, driven by a mix of financial motives and the fear of losing custody of their children (@nbc)

Are Curtis Wayne Junior and Jimmy Ray also convicted for killing Teresa Wayne?

Curtis Wayne Wright Jr. and Jimmy Ray Rodgers were indeed convicted for their involvement in Teresa Sievers' murder. Wright pleaded guilty to second-degree murder and received a 25-year prison sentence, while Rodgers was found guilty of second-degree murder and sentenced to life in prison.

Wright's cooperation with authorities and willingness to testify against Mark Sievers likely played a role in his plea deal and the subsequent reduction of charges and sentence. On the other hand, Rodgers, initially denying involvement, was implicated through surveillance footage, GPS data, and testimony from his girlfriend.

Mark Sievers, convicted of first-degree murder and conspiracy to commit murder, received the death penalty. Despite Mark's plea for leniency, expressing concern for the impact on his daughters, the judge delivered the death penalty on January 3, 2020. He currently awaits the outcome of his appeals on death row at Florida State Prison in Raiford, Florida.

Curtis and Ray along with Mark were convicted for Teresa's murder (@NBC)
Curtis Wayne Wright Jr and Jimmy Ray Rodgers, along with Mark Sievers, were convicted for their roles in Teresa Sievers' murder (@nbc)

'Dateline NBC' Season 32 airs new episodes every Friday at 8 pm ET on NBC and is available for streaming on Peacock the following day

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