The worst case for the three investigators is often considered to be "The Mystery of the Fiery Eye." In this case, the three investigators find themselves up against a dangerous criminal organization and face numerous life-threatening situations. The case involves a stolen diamond, a mysterious cult, and a series of dangerous encounters that push the three investigators to their limits. The stakes are high, and the danger is constant, making it one of the most intense and challenging cases they have ever faced. **

Criminal investigators and detectives share some similarities in their roles, as both are responsible for gathering evidence, interviewing witnesses, and solving crimes. However, criminal investigators often work for law enforcement agencies and may have specialized training in forensic science and crime scene analysis. Detectives, on the other hand, may work for law enforcement or private agencies and often focus on solving specific types of crimes or working on individual cases. Overall, while there are similarities between the two roles, criminal investigators may have a broader range of responsibilities and access to more resources. **

Bob is taken hostage when the three investigators are involved in the case of the missing diamond. During their investigation, Bob is captured by the criminals in an attempt to stop the investigators from uncovering the truth about the diamond's disappearance. The three investigators must use their skills and resources to rescue Bob and solve the case. **

Criminal investigators typically do not wear a traditional uniform like police officers. Instead, they often dress in plain clothes to blend in with the general public while conducting undercover investigations or gathering evidence. However, some specialized units or agencies may have specific attire or gear that investigators are required to wear during certain operations. Ultimately, the dress code for criminal investigators can vary depending on the nature of their work and the policies of their organization. **

Criminal investigators do not typically wear a specific uniform like police officers do. Instead, they often dress in plain clothes to blend in with the general public while conducting their investigations. This allows them to gather information discreetly and without drawing attention to themselves. However, some specialized units or agencies may have specific dress codes or attire for their investigators. **

Investigators at the BKA (Bundeskriminalamt) are trained through a combination of academic education and practical training. They typically undergo a rigorous academic program at the BKA's own training academy, where they study criminal law, investigative techniques, forensic science, and other relevant subjects. In addition to the academic training, investigators also receive practical, hands-on training through internships, on-the-job training, and mentorship from experienced investigators. This comprehensive training equips them with the knowledge and skills necessary to effectively carry out their investigative duties. **

Peter and the Three Investigators is a popular children's book series written by Robert Arthur, Jr. The series follows three young boys, Jupiter Jones, Pete Crenshaw, and Bob Andrews, who form a detective agency and solve mysteries in their hometown. Peter is known for his leadership skills and quick thinking, while the other two investigators bring their own unique talents to the team. The series has been praised for its engaging storytelling and relatable characters, making it a beloved classic among young readers. **

No, drugs do not appear in the Three Investigators series. The series is aimed at young readers and focuses on the adventures of three teenage boys who solve mysteries. The stories typically involve puzzles, codes, and hidden clues, but do not include any references to drugs or substance abuse. The series is known for its wholesome and family-friendly content. **