The Most Difficult Cases Solved, Ranked

Choose the cases solved you think is the most difficult!

Author: Gregor Krambs
Updated on Jun 16, 2024 06:15
Determining which cases are the toughest to crack can offer invaluable insights into the complexities of problem-solving in various fields. By ranking these challenging scenarios, we can highlight the innovative approaches and strategic thinking involved in overcoming what initially seemed insurmountable. This process not only acknowledges the hard work and intelligence behind these solutions but also provides learning opportunities for professionals and enthusiasts alike. By participating in the voting process, users have the unique opportunity to influence which cases are deemed most significant based on their difficulty and the ingenuity of their solutions. This active engagement helps create a dynamic list that reflects the collective opinion and expertise of a diverse audience. The outcome is a continuously updated list that serves as a testament to human determination and skill.

What Are the Most Difficult Cases Solved?

  1. 1

    The JonBenét Ramsey Case

    The unsolved murder of six-year-old JonBenét Ramsey in 1996 in Boulder, Colorado, has captivated the public and media for decades.
    • Year of Murder: 1996
    • Location of Murder: Boulder, Colorado
  2. 2

    The Golden State Killer

    Joseph James DeAngelo, a former police officer, committed at least 13 murders, 50 rapes, and 120 burglaries in California from 1974 to 1986.
    • Method of Capture: DNA evidence
    • Year Caught: 2018
  3. 3

    The Isdal Woman

    The case of an unidentified woman found dead in 1970 in Isdalen Valley, Norway, known for the mysterious circumstances surrounding her death.
    • Year of Death: 1970
    • Location of Death: Isdalen Valley, Norway
  4. 4

    The Zodiac Killer Ciphers

    A series of four cryptograms sent to local newspapers by the Zodiac Killer, who terrorized Northern California in the late 1960s and early 1970s.
    • First Cipher Cracked: 1969
    • Cipher Remaining Unsolved: 1
  5. 5

    The Monster of Florence

    A series of murders in Florence, Italy, between 1968 and 1985, where couples were targeted, leading to numerous arrests but no definitive convictions.
    • Number of Victims: 16
    • Years Active: 1968-1985
  6. 6

    The Unabomber

    Ted Kaczynski, also known as the Unabomber, conducted a nationwide bombing campaign against people involved with modern technology from 1978 to 1995.
    • Number of Victims: 3 killed, 23 injured
    • Year Caught: 1996
  7. 7

    The Jack the Ripper Murders

    A series of murders in 1888 in the Whitechapel district of London, attributed to an unidentified individual known as Jack the Ripper.
    • Number of Canonical Victims: 5
    • Year of Murders: 1888
  8. 8

    The Black Dahlia Murder

    The 1947 murder of Elizabeth Short, known posthumously as the Black Dahlia, is one of the most famous unsolved murders in American history.
    • Location of Murder: Los Angeles
    • Year of Murder: 1947
  9. 9

    The BTK Killer

    Dennis Rader, known as the BTK Killer, murdered ten people in Kansas between 1974 and 1991, eluding capture for decades.
    • Method of Communication: Letters to police and media
    • Year Caught: 2005
  10. 10

    The Green River Killings

    A series of murders committed by Gary Ridgway in the 1980s and 1990s in Washington state, where he killed numerous women and girls.
    • Number of Victims: 49 confirmed, suspected of 71+
    • Year Caught: 2001

Missing your favorite cases solved?

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About this ranking

This is a community-based ranking of the most difficult cases solved. We do our best to provide fair voting, but it is not intended to be exhaustive. So if you notice something or Case solved is missing, feel free to help improve the ranking!


  • 52 votes
  • 10 ranked items

Voting Rules

A participant may cast an up or down vote for each Case solved once every 24 hours. The rank of each Case solved is then calculated from the weighted sum of all up and down votes.

Additional Information

More about the Most Difficult Cases Solved

The JonBenét Ramsey Case
Rank #1 for the most difficult cases solved: The JonBenét Ramsey Case (Source)
Solving difficult cases often requires a mix of skill, patience, and determination. Investigators must piece together clues, sift through evidence, and follow leads. These cases can take months or even years to solve. Often, they involve complex scenarios that challenge even the most experienced professionals.

The first step in solving a tough case is gathering evidence. This can include physical items, witness statements, and digital data. Each piece of evidence must be carefully documented and analyzed. Investigators use various techniques to examine evidence, from forensic analysis to advanced technology.

Witnesses play a crucial role in solving cases. They can provide key information that leads to breakthroughs. However, witnesses may not always be reliable. They can forget details or be influenced by others. Investigators must cross-check witness statements with other evidence to ensure accuracy.

Technology has become a vital tool in solving difficult cases. Advances in DNA analysis, digital forensics, and surveillance have transformed investigations. DNA analysis can link suspects to crime scenes. Digital forensics can uncover hidden data on electronic devices. Surveillance footage can provide visual evidence that supports other findings.

Collaboration is essential in solving complex cases. Law enforcement agencies often work together, sharing resources and expertise. This cooperation can lead to new insights and breakthroughs. International cases may involve multiple countries, requiring coordination across borders.

Persistence is key in solving difficult cases. Investigators must stay focused and motivated, even when progress is slow. They may revisit old evidence or re-interview witnesses to find new leads. This relentless pursuit of the truth often pays off in the end.

Public tips can also be crucial. Sometimes, a case stalls until someone comes forward with new information. Law enforcement agencies often appeal to the public for help, using media and social platforms to reach a wider audience.

Cold cases, those that remain unsolved for long periods, present unique challenges. Over time, evidence can degrade, and witnesses may become harder to locate. However, advances in technology and fresh perspectives can breathe new life into these cases. Investigators review old files, apply new techniques, and sometimes find the missing piece that solves the puzzle.

In many cases, the resolution brings relief to victims and their families. It provides a sense of closure and justice. For investigators, solving a difficult case is a testament to their dedication and skill.

The process of solving tough cases is a testament to human ingenuity and persistence. It involves a blend of science, intuition, and hard work. Each solved case adds to the collective knowledge and experience, helping to solve future cases more efficiently.

Though the path to resolution can be long and arduous, the outcome is often worth the effort. It restores faith in the justice system and provides answers to those seeking them. The dedication of investigators and the support of the community play crucial roles in achieving these outcomes.

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