Mitchell Sims became one of America's most notorious transient serial killers after carrying out a series of murders across multiple states during the 1980s. Nicknamed the "Pizza Hut Serial Killer," Sims was convicted of abducting, robbing, and murdering pizza delivery driver John Harrington in Las Vegas, Nevada, while investigators also linked him to the murders of another pizza employee and a customer in South Carolina. His willingness to kill complete strangers during robberies, combined with his mobility across state lines, made him one of the FBI's most infamous traveling serial offenders before his execution in 2015.

Early Life
Mitchell Willard Sims was born on July 27, 1958, in Memphis, Tennessee. Public information about his childhood is relatively limited, but investigators later documented a lengthy criminal history involving burglary, robbery, theft, and violent offences before the murders that made him nationally infamous.
By adulthood, Sims had become a transient offender, moving between states while supporting himself through crime. Authorities later described him as manipulative, impulsive, and willing to use extreme violence during robberies. His criminal activity escalated significantly during the mid-1980s, when he began targeting individuals working in pizza delivery and fast-food businesses.
Unlike many serial killers who remained in one location, Sims travelled extensively throughout the United States, making it more difficult for investigators to connect crimes committed in different jurisdictions.
Killing Spree
In May 1986, Sims abducted Pizza Hut delivery driver John Harrington while Harrington was making a delivery in Las Vegas, Nevada. Prosecutors alleged Sims forced Harrington into his own vehicle before driving him to a remote desert location where he was robbed and executed.
As investigators examined Sims' background, they connected him to an earlier double murder in South Carolina. Authorities concluded Sims had murdered Domino's Pizza employee Patricia Reynolds and customer Janelle Workman during a robbery in Columbia in January 1986. The similarities between the crimes established a pattern of targeting pizza delivery workers and customers during robberies.
The murders generated widespread media attention because they highlighted the dangers faced by delivery drivers working alone. Sims became known as the "Pizza Hut Serial Killer," although his victims included employees from different pizza chains.
Modus Operandi
Investigators determined that Mitchell Sims targeted victims who were isolated and carrying cash from food deliveries. He frequently selected pizza delivery employees because they routinely travelled alone, visited unfamiliar addresses, and often carried money.
Authorities alleged Sims used firearms to control victims before kidnapping them to remote locations where they were robbed and murdered. The crimes demonstrated planning, mobility, and a willingness to eliminate witnesses after committing robbery.
The investigation also revealed Sims frequently travelled across state lines after committing crimes, complicating efforts to identify him as a serial offender. His transient lifestyle delayed investigators from recognizing the connection between the Nevada and South Carolina murders.
Capture
Following the murder of John Harrington, investigators gathered forensic evidence, witness statements, and information regarding Sims' movements. Detectives eventually identified him as the primary suspect and launched a nationwide search.
Sims was later arrested in Florida after additional criminal activity brought him to the attention of law enforcement. Investigators subsequently linked him to the Nevada murder and reopened the South Carolina murders, where further evidence established his involvement.
His arrest brought an end to a cross-country murder spree that had terrorized multiple communities and left investigators searching for a killer operating across several jurisdictions.
Trial & Sentence
Mitchell Sims was convicted in Nevada for the kidnapping, robbery, and murder of John Harrington. Prosecutors presented extensive forensic evidence and testimony establishing Sims' role in the execution-style killing.
Authorities also prosecuted Sims for the South Carolina murders of Patricia Reynolds and Janelle Workman. Together, the convictions confirmed investigators' belief that Sims was responsible for multiple robbery-related murders committed during a relatively short period in 1986.
Sims was sentenced to death and spent nearly three decades on death row. On February 26, 2015, he was executed by lethal injection at Ely State Prison in Nevada.
Notes
Mitchell Sims became one of the most recognizable examples of a travelling robbery serial killer during the 1980s. His crimes demonstrated how offenders operating across multiple states could evade detection before advances in information sharing between law enforcement agencies.
The murders also changed safety procedures for many pizza delivery companies. Businesses introduced stricter delivery policies, cash-handling procedures, and employee safety measures following a number of high-profile attacks on drivers during the decade.
Today, Sims remains closely associated with the nickname "Pizza Hut Serial Killer," although investigators acknowledge his victims included employees and customers connected to different pizza businesses. His crimes continue to be referenced in discussions involving transient serial offenders, robbery murders, and occupational safety.
Media
📺 Documentaries / TV Series
Deadly Sins
Covered Mitchell Sims' robbery murders and his cross-country crime spree.
The FBI Files
Examined the investigation linking the Nevada and South Carolina murders.
American Justice
Focused on Sims' transient lifestyle, robbery motives and eventual capture.
🎥 Major Video Interviews
Law enforcement briefings
Authorities discussed:
- the John Harrington murder
- links to the South Carolina murders
- interstate investigative cooperation
- forensic evidence
- Sims' arrest
Courtroom analysis coverage
Media examined:
- robbery motives
- kidnapping evidence
- serial offender behaviour
- death penalty proceedings
- execution
🎙️ Podcasts
True crime podcasts
Covered:
- Mitchell Sims
- the Pizza Hut Serial Killer
- interstate serial murders
- robbery-related killings
- Nevada death row cases
Independent crime podcasts
Focused on:
- travelling serial killers
- pizza delivery murders
- execution-style robberies
- FBI investigations
- occupational victim targeting
📰 Written Media Coverage
The Mitchell Sims case received coverage from:
Las Vegas Review-Journal, Associated Press, The State, FBI publications, Court TV, regional Nevada and South Carolina news outlets
Major themes included:
serial murder, pizza delivery driver murders, travelling offenders, robbery-homicides, interstate investigations, execution-style killings, occupational safety, death penalty cases, FBI investigations, transient serial killers





