Fabian Gonzales
Fabian Gonzales is an American man connected to the murder of Victoria Martens, a child killed in New Mexico in 2016. The case shocked the public due to the age of the victim and the disturbing circumstances surrounding her death. Court proceedings revealed details of abuse and attempts to conceal the crime, drawing national attention. The case remains one of the most disturbing child homicide cases in recent U.S. history.

Fotis Dulos
Fotis Dulos became the focus of an internationally publicized criminal investigation after his estranged wife, Jennifer Dulos, disappeared from New Canaan, Connecticut, on May 24, 2019. Prosecutors alleged that Dulos murdered Jennifer during a contentious divorce and child custody dispute before attempting to dispose of evidence. He pleaded not guilty to all charges but died by suicide in January 2020 before his trial began. Jennifer Dulos has never been found and is legally presumed dead.

Fred Waterfield
Fred Waterfield became one of Florida's most infamous serial killers after participating in a series of abductions and murders alongside his cousin, David Alan Gore, during the early 1980s. The pair targeted young women across Indian River County, with Waterfield acting as an accomplice in several kidnappings, sexual assaults, and murders. Following his arrest, Waterfield cooperated with investigators and testified against Gore, helping prosecutors secure convictions in one of Florida's most notorious serial murder cases.

Fred West
Frederick Walter Stephen West became one of the United Kingdom's most infamous serial killers after murdering numerous young women and girls between the late 1960s and 1980s. Working both alone and with his wife, Rose West, he targeted vulnerable victims, many of whom disappeared after visiting the couple's home at 25 Cromwell Street in Gloucester. The discovery of multiple bodies buried beneath the property exposed one of Britain's most shocking serial murder cases and permanently cemented Fred West's place among the country's most reviled offenders.

Gareth Pursehouse
Gareth Pursehouse is an American man convicted of the 2020 murder of his ex-girlfriend in Los Angeles, California. The case involved a targeted attack following a prior relationship. He was later convicted and sentenced to life imprisonment without the possibility of parole.
Gary Green
Gary Green was an American man convicted of the murders of his estranged wife and her young daughter in Texas. The killings were carried out in a violent domestic incident that shocked the community. Green was sentenced to death and later executed in 2023. His case is one of several high-profile executions in Texas involving domestic violence-related murders.
Gary Hilton
Gary Hilton is an American serial killer known as the "National Forest Serial Killer," responsible for the murders of multiple victims in remote forest areas in the southeastern United States. Hilton was arrested and later convicted of several murders. He received a death sentence and remains on death row. His crimes are notable for targeting hikers and outdoor enthusiasts.
Gary Ray Bowles
Gary Ray Bowles was an American serial killer known as the "I-95 Killer," responsible for the murders of multiple men across several states in the 1990s. His victims were targeted along the Interstate 95 corridor. Bowles was eventually arrested, convicted, and sentenced to death. He was executed in 2019, and his case remains one of the most notable serial murder cases involving interstate crime patterns in the United States.