Coincidentally, Port's first victim was found right around the time this episode aired. On air, Alcala might have been charming and funny, albeit definitely creepy, but his extracurricular activities make him one of the most notorious killers of all time.Nicknamed the Dating Game Killer because of his appearance on the show, Alcala turned out to be a horrendous serial killer and rapist.Amara Wells settles down in the peaceful suburb of Castle Rock, Colorado with her husband Christopher and daughter, only to have her idyllic life shattered by a ninja assassin who creeps into the family's home with deadly intentions."Junk Food Professor," Howard Appledorf is murdered, and puzzling clues are left at the crime scene.Place settings on the floor and Red-rum written on his wall in ketchup. Colton Harris-Moore is only a teenager when he embarks on his unbelievable string of capers.The BTK Killer was particularly adept at blending in, and when he was finally captured and charged with 10 counts of first-degree murder, his community was shocked.
The horrendous crimes these murderers commit are oftentimes too shocking to believe and we wonder how these people weren't caught or flagged earlier in their lives.
It's been speculated that the contestant's refusal to go on a date with him after this show aired might have spurred him to commit even more murders.
Otherwise known as the BTK Killer (for "bind, torture, and kill"), Dennis Rader was one of the most notorious serial killers in the Wichita, Kansas, area from the 1970s to the 1990s.
It's confirmed he killed seven people, but his actual tally is probably much higher.
He enjoyed strangling his victims until they lost consciousness, waiting until they woke up again, and then repeating that process again and again until they died.