Nydia Lopez-Garcia, a 37-year-old single mother from Mesquite, Texas, had traveled to Las Vegas and was murdered in a hotel room on the Las Vegas Strip. The children - aged 17, 14, and 7 - were with their mother in Las Vegas and now find themselves stuck there, without any family or means to return home.

In 1974, 17-year-old cheerleader Carla Walker went missing after a Valentine's Day dance in Fort Worth. Her body was found a few days later, in a ditch, strangled, beaten, and sexually assaulted. The case went unsolved for 46 years until DNA evidence was finally able to match a longtime suspect.

Carl “Coral” Eugene Watts (November 7, 1953 – September 21, 2007), was an American serial killer dubbed "The Sunday Morning Slasher" who murdered numerous women and girls over an 8-year period. He is suspected of being the most prolific serial killer in United States history with up to 100 possible murders.

Joseph Douglas Ball (January 7, 1896 – September 24, 1938), also known as the "Alligator Man," the "Butcher of Elmendorf," and the "Bluebeard of South Texas," was an American serial killer. He was known to have killed two and is suspected of killing as many as 20 women in the 1930s.

The Servant Girl Annihilator, aka the Austin Axe Murderer and the Midnight Assassin, was an unidentified serial killer who preyed upon the city of Austin between 1884 and 1885. The murders represent an early example of a serial killer operating in the United States, three years before the Jack the Ripper murders in London. The conjecture that the Texas killer and Jack the Ripper were one and the same originated in October 1888, when an editor proposed this following the murders of Elizabeth Stride and Catherine Eddowes.

Crystal McDowell (born October 26, 1979) went missing on August 25, 2017, while Hurricane Harvey was wreaking havoc in Houston, causing historic flooding. Crystal was missing for two weeks when her ex-husband finally confessed to strangling her to death.

Darlie Routier (born January 4, 1970) called 911 after an intruder attacked her and her children on June 6, 1996. Her sons had been stabbed to death and Darlie sustained a critical knife wound to the throat. During the trial, prosecutors argued that Darlie’s injuries were self-inflicted and the crime scene had been staged. She was sentenced to death for their murders and has maintained her innocence with the support of her husband, Darin.

Jason Alan Thornburg (born on August 27, 1980) killed 3 victims within 6 days in his motel room. Luring them in with his Christian hospitality. He sliced their throats, dismembered their bodies in the bathtub, and stored the remains in Rubbermaid containers. Thornburg then placed the body parts in a dumpster and set it on fire, telling police that God was calling him to commit human sacrifices.

Ricky Lee Green (December 27, 1960 – October 8, 1997) was an American serial killer who murdered 4-12 people between 1985 and 1989 in Fort Worth, at least 2 of which were killed with the help of his wife, Sharon.

Candy Montgomery killed her friend Betty Gore with an ax on June 13, 1980. 41 times she chopped at her body. But a jury accepted her self-defense plea and acquitted her of murder charges. How can you swing an ax 41 times and call it self-defense?

Christopher Duntsch (born on April 3, 1971) also known as Dr. Death, maimed and killed 33 out of 38 patients he operated on in the span of 2 years. Four hospitals across Dallas passed him along without reporting him to anyone, allowing him to keep his medical license.

On December 6, 1991, a quadruple homicide took place at an I Can't Believe It's Yogurt in Austin, TX. The victims were four teenage girls: Amy Ayers, Eliza Thomas, Jennifer Harbison, and Sarah Harbison. The case remains unsolved.

Edward Howard Bell (1937 - April 20, 2019) was serving time in prison for the death of Larry Dickens when he wrote letters to prosecutors claiming he was responsible for the death of 11 young girls between 1971 and 1977.

Sarah Walker was a local Texas realtor found bludgeoned, bitten on the neck, and stabbed 33 times in a D.R. Horton model home in McKinney. Her killer is still on death row after 15 years.

Megan Romero Curl was just 26 years old when she was found tied to her bed post and set on fire. Her charred remains showed her throat had been slashed to bone and a plastic bag placed over her head. Her killer has gone unidentified since March 26, 2000.

David Leonard Wood (born on June 20, 1957) also known as The Desert Killer, is a serial killer from El Paso who buried his victims in shallow graves. In 1992 he was convicted of murdering six young girls, and he is suspected of nine in total.

Kenneth McDuff (March 21, 1946 – November 17, 1998) also known as The Broomstick Killer, was an American serial killer from Rosebud, TX suspected of murdering as many as 14. He is the only killer in US history to receive two different death row numbers.

Charles Albright (August 10, 1933 – August 22, 2020) also known as The Eyeball Killer, was an American serial killer from Dallas, Texas, who was convicted of killing one woman and suspected of killing two others in 1991.

Billy Chemirmir (born December 8, 1972) is accused of the murders of at least 18 elderly women in Dallas, Texas and its surrounding suburbs. In total, Chemirmir has been indicted for 18 murders and more are suspected. Civil suits have also been filed accusing him of a further six similar murders.