What Do You Know About D.B. Cooper?

Explanation
In February 1980, a young boy discovered a small cache of ransom bills along the banks of the Columbia River.

Explanation
After a case has been officially closed, the FBI collects physical evidence for analysis. Physical evidence refers to tangible items that can be observed, measured, and tested, such as fingerprints, DNA samples, weapons, or any other objects that may provide valuable information or link to the crime. This type of evidence is crucial for further investigation, as it can help establish facts, identify suspects, and provide proof in court.

Explanation
The purpose of the man who boarded the northwest orient Airline and carried a black attaché case was Thanksgiving.

Explanation
The correct answer is "Alias." The question is asking for the name that the suspect used to purchase his airline ticket, and an alias is a false or alternative name that someone uses to conceal their true identity. Therefore, it is likely that the suspect used an alias when purchasing the ticket.

Explanation
The FBI maintained an active investigation for 45 years.

Explanation
The correct answer is "Media epithet" because "db Cooper" is not a person's actual name, but rather a pseudonym given to an unidentified man who hijacked a plane in 1971. The term "db Cooper" became a media epithet to refer to this unknown hijacker, as his true identity was never discovered.

Explanation
The flight origin refers to the airport from where the flight is departing. In this case, the correct answer is "Portland international airport" as it is the only option given that represents a specific airport. The other options mention general locations or airports without specifying a particular one.

Explanation
The correct answer is 36. This is because the question asks for the number of passengers in the plane, and out of the given options, 36 is the only number that represents the number of passengers.

Explanation
In 2016, the FBI closed the case of db Cooper. This suggests that the investigation into the mysterious case of db Cooper, who hijacked a plane in 1971 and then disappeared with a ransom of $200,000, concluded in 2016. The closure of the case implies that the FBI exhausted all possible leads and evidence, leading them to believe that they had reached a dead end in solving the case.

Explanation
The question is asking about who the person was accused of murdering when he returned to the U.S. in 1978. The correct answer is "Stepfather." This implies that upon his return, he was accused of killing his stepfather.