Motivations - Financial Gain

James "Jimmy" Rodgers became one of Florida's most notorious contract killers after participating in the 2015 murder of Dr. Teresa Sievers in Bonita Springs. Hired through a murder-for-hire plot orchestrated by Teresa's husband, Mark Sievers, Rodgers travelled from Missouri to Florida with Curtis Wayne Wright and fatally attacked the victim inside her home. His conviction, along with those of his co-conspirators, brought an end to one of the state's most widely publicized murder-for-hire investigations.

Lance Kirkpatrick became one of Australia's most widely reported convicted killers after being found guilty of the 2022 murder of Melbourne mother Samantha Murphy. Murphy's disappearance prompted an extensive search across regional Victoria before investigators built a circumstantial case that ultimately led to Kirkpatrick's conviction. The case attracted national attention because of the lengthy investigation, widespread community involvement, and the absence of the victim's recovered remains.

Christian Longo became one of America’s most notorious family killers after murdering his wife and three young children before fleeing the country and assuming a new identity in Mexico. The horrifying case shocked the United States in 2001 due to the brutality of the crimes and Longo’s efforts to escape responsibility by reinventing himself as a carefree tourist while his family’s bodies were being recovered from the Oregon coast. Longo was portrayed as a manipulative conman who spent years hiding financial fraud, lies and personal failures behind the image of a devoted husband and father. His case later gained worldwide attention through books, documentaries and the film adaptation of True Story, which explored Longo’s deception, narcissism and relationship with journalist Michael Finkel.

Mark Sievers became infamous after orchestrating the brutal murder-for-hire killing of his wife inside their Florida home in 2015. The case shocked the United States because the victim was a highly respected physician and mother, while investigators later uncovered a conspiracy involving Sievers, close friends and hired killers. Authorities described the crime as a calculated and financially motivated murder plot driven by greed, personal dysfunction and manipulation. The investigation later exposed disturbing details involving staged alibis, conspiracy planning and violent execution-style attacks, transforming the case into one of Florida’s most heavily publicized murder-for-hire prosecutions.

Ryan Alexander Duke became widely known after being charged in the 2005 death of Georgia high school teacher and former beauty queen Tara Grinstead. The case remained one of Georgia's most infamous unsolved mysteries for nearly 12 years before Duke confessed to being involved in Grinstead's death. In 2022, he pleaded guilty to concealing her death rather than murder, bringing a partial resolution to a case that had captivated investigators and the public for years.

Grant Amato became infamous after murdering members of his own family inside their Florida home in 2019 following an escalating financial and psychological obsession with an online cam model. The case shocked the United States because investigators uncovered extreme levels of deception, addiction, theft and fantasy-driven behavior leading up to the killings. The murders later became one of the internet era’s most heavily discussed family annihilation cases due to the bizarre combination of online obsession, financial ruin and emotional isolation surrounding Amato’s motive. Extensive documentaries, podcasts and streaming coverage transformed the case into a major true crime phenomenon focused on digital addiction and parasocial relationships.

Herman Webster Mudgett, better known as H.H. Holmes, became one of America's earliest infamous serial killers after carrying out a series of murders during the late nineteenth century. Operating from a specially designed building in Chicago that later became known as the "Murder Castle," Holmes used deception, fraud, and false identities to lure victims. Although he confessed to 27 murders before his execution, historians believe the true number of victims remains uncertain. His case remains one of the most famous in American criminal history.

Richard Beasley became known as the “Craigslist Serial Killer” after orchestrating a series of murders involving fake job advertisements posted online in Ohio during 2011. Prosecutors alleged Beasley used Craigslist employment listings to lure financially vulnerable men to isolated rural locations where they were robbed, shot, and buried in shallow graves. The case generated national attention because it exposed how online classified platforms could be exploited by violent offenders targeting strangers. Investigators later connected Beasley to multiple killings and attempted murders linked to the fake employment scheme. The horrifying combination of internet deception, execution-style murders, and burial sites hidden in wooded areas made the case one of the most infamous online predator serial killer investigations in modern American criminal history.