Historical MysteriesUNDER REVIEW178 DOCUMENTS

DB Cooper

The 1971 hijacking of a Northwest Orient flight by a man calling himself D.B. Cooper, who parachuted from the plane with $200,000 and was never found.

01

Documented record

Known Facts

1

On November 24, 1971, a man calling himself Dan Cooper hijacked Northwest Orient Flight 305.

2

He demanded $200,000 in ransom money and four parachutes.

3

After releasing the passengers, he parachuted from the plane over Washington state.

4

The FBI launched the longest and most expensive manhunt in its history.

5

Only $5,880 of the ransom money was ever recovered, found along the Columbia River in 1980.

6

The case remains the only unsolved commercial airline hijacking in U.S. history.

02

Supporting claims & documentation

Evidence For

01

FBI Investigation Files

PRIMARY SOURCE

Extensive FBI documentation of the hijacking and investigation.

SOURCE:FBI

FOR
02

Recovered Ransom Money

PHYSICAL

$5,880 of the original $200,000 found along the Columbia River in 1980.

SOURCE:FBI / Brian Ingram

FOR
03

Counterpoints & criticisms

Evidence Against

01

Death in Jump Theory

ANALYSIS

Many experts believe Cooper likely died during the parachute jump.

SOURCE:FBI / Parachute experts

AGAINST
04

Unresolved inquiries

Open Questions

?

Did Cooper survive the jump?

?

What was his true identity?

?

Where is the remaining $194,120?

?

Was Cooper connected to any intelligence agency?

05

Chronological record

Timeline

1971-11-24

DB Cooper hijacks Flight 305 and parachutes.

1971-11-27

FBI begins investigation.

1980

Ransom money found along Columbia River.

2016

FBI officially closes active investigation.

06

Connected dossiers

Related Investigations

07

References & further reading

Sources

FBI — DB Cooper Case Files
VISIT
The Last Master Outlaw — Robert Rackstraw
08

Automatically discovered links

Related Connections

COINTELPRO

2 organizations appear in both.

CONNECTION STRENGTHLIGHT
30%0% — 100%
Operation Mockingbird

2 organizations appear in both.

CONNECTION STRENGTHLIGHT
28%0% — 100%
Operation CHAOS

2 organizations appear in both.

CONNECTION STRENGTHLIGHT
28%0% — 100%

Shadow Archive separates documented facts from claims, counterarguments, and open questions. It does not present unsupported allegations as confirmed fact.