The Zodiac Killer has never been caught!
Although he sent coded messages to police and newspapers, no one could crack them, not even experts, and the case remains unsolved.
The Original Night Stalker was never caught!
Despite a ten-year spree, one of California's most prolific and violent criminals was never caught. In fact, last year the FBI even offered a $50,000 reward in hopes that new information would boost the investigation again.
Yep he was caught!
The Yorkshire Ripper was identified as Peter Sutcliffe, who was stopped by Yorkshire police because his car appeared to have false number plates. After noticing that he fit the description of the Yorkshire Ripper, police decided to question him, and he eventually confessed. He is serving a life order and will not be released from custody.
The plot was discovered in 2009 when a person walking their dog stumbled across a human bone. Althought a full investigation was launched, no one has been convicted and there are still no suspects.
The case was solved and the murderer was caught!
In 2001, Gary Ridgway was arrested for four murders, based on DNA evidence. He later confessed to 49 murders in total, making him one of the most prolific serial killers in American history. He was spared the death penalty and was sentenced to life imprisonment without parole.
Lonnie Franklin Jr was brought to justice via the use use of a familial DNA search – the first successful case in the state. DNA from the crime scenes matched that of Franklin's son Christopher, whose DNA was on the system due to a felony arrest. Franklin was sentenced to death in 2016.
The Long Island Serial Killer has yet to be identified and remains an open case.
However there is speculation that John Bittrol, who is serving for the murder of two prostitutes in the same area in which the remains were found, may be responsible.
He was caught!
The BTK killer was identified as Dennis Rader when the floppy disk he'd sent led police to his church. He is currently serving ten life sentences.