02Read the journal. Every chapter logs new evidence.
03Declassify the plot twists.
04Work the board, pick a theory and file your verdict.
NIMZO STORIES · CASE BRIEFINGFile no. 008 — full investigation
Date
11–12 June 1962
Status
Unsolved
Location
Alcatraz Island, San Francisco Bay, USA
Subjects
Frank Lee Morris, John William Anglin, Clarence Anglin (Allen West stayed behind)
Three prisoners left lifelike dummy heads in their beds, crawled out through widened air vents, crossed the roof of the cellhouse and launched a raft made from raincoats into San Francisco Bay. They were never seen again.
Read it like a field journal. Each chapter logs evidence onto the board, and the plot twists stay redacted until you declassify them.
Chapter 01 / 05Escape from Alcatraz
The prison nobody left
Alcatraz held federal prisoners from 1934 to 1963. It was built for men who had escaped or caused trouble elsewhere, and its best defence was not its walls but the bay around it: cold water and strong tidal currents between the island and the shore.
Frank Lee Morris arrived in January 1960. He had a long record of robbery and prison escapes, and tests had put his IQ at 133. John Anglin arrived in October 1960 and his brother Clarence in January 1961. With a fourth prisoner, Allen West, they began to plan.
Chapter 02 / 05Escape from Alcatraz
Behind the cell walls
At the back of each cell, under the sink, was a small ventilation grille. Over many months the men chipped away the damp concrete around these openings with saw blades, spoons taken from the mess hall and a homemade drill driven by a vacuum-cleaner motor. Painted cardboard hid the holes, and Morris played his accordion during the evening music hour to cover the noise.
Through the vents they reached an unguarded utility corridor running behind the cells. From there they climbed to the empty top level of the cellblock and set up a hidden workshop.
Allen West helped plan the escape, but the cement he had used to disguise his loosened grille set hard. By the time he broke through, the others were gone. Caught behind, he told investigators how the plan worked, which is why we know so much about it.
Declassified
Chapter 03 / 05Escape from Alcatraz
Heads, vests and a raincoat raft
In the workshop they made life vests and a raft of roughly 6 by 14 feet from more than fifty raincoats, stitched and sealed with heat. They followed ideas from a March 1962 issue of Popular Mechanics. Plywood paddles and a concertina converted into a bellows completed the kit.
In their cells they built dummy heads from soap, toothpaste, concrete dust and toilet paper, painted them in skin tones and finished them with hair swept from the prison barbershop floor. Lying in bed under a blanket, the heads would pass a guard's torch at night.
Lights went out at 9:30 p.m. Morris and the Anglins slipped through their vents. Allen West could not follow: cement he had used to hold his loosened grille in place had hardened, and by the time he broke through, the others had gone.
The three men climbed a ventilation shaft, forced off a large fan cover on the roof whose rivets they had already removed, and crossed the roof of the cellhouse. They slid about 50 feet down a kitchen vent pipe, climbed two barbed-wire fences and reached the north-east shore near the power plant, a blind spot for the searchlights. They are thought to have launched the raft at about 10 p.m.
The dummy heads were discovered at the 7 a.m. count. A huge search followed by sea, air and land. On 14 June a Coast Guard cutter picked up a paddle near Angel Island, and searchers found a waterproofed wallet holding names, addresses and photographs of the Anglins' relatives. A life vest washed up beyond the Golden Gate Bridge on 21 June, and another was found near Alcatraz the next day. No bodies were ever identified.
In 1979 the FBI closed its investigation, concluding that the men most likely drowned trying to reach Angel Island. The US Marshals Service never closed its case and still accepts tips. Alcatraz itself closed on 21 March 1963.
The packet found near Angel Island held names, addresses and photographs of the Anglins' relatives, sealed carefully against the water. Men expecting to die don't pack contact details. Men laying a false trail might.
Declassified
Plot twist 03
In 2013, a letter arrived
San Francisco police received a letter signed “John Anglin”. It said all three had survived, that Morris died in 2008 and Clarence in 2011, and that the writer wanted to surrender in exchange for cancer treatment. FBI tests were inconclusive. The letter only became public in 2018.
Declassified
Timeline
Follow the thread
Frank Morris arrives at Alcatraz.
John Anglin, then Clarence Anglin, arrive.
The men widen the vents in their cells and build a workshop above the cellblock.
Lights out. Morris and the Anglins leave their cells; West is trapped by his own cement.
The raft is launched from the north-east shore.
The morning count discovers the dummy heads.
A paddle and the Anglins' wrapped wallet are recovered near Angel Island.
Life vests are found beyond the Golden Gate and near Alcatraz.
Alcatraz closes as a federal prison.
The FBI closes its file and hands the case to the US Marshals, who still list John Anglin as wanted.
San Francisco police receive a letter claiming to be from John Anglin. Its authenticity is never established.
Evidence board
Work the board
Drag the photos around. Tap one to examine it. Then pick a theory: the threads show which evidence it rests on.
Your theoryPick one to start
?UnexaminedThe dummy headsDocumentedExamined
?UnexaminedThe widened ventsDocumentedExamined
?UnexaminedThe roof routeDocumentedExamined
?UnexaminedThe raincoat raftDocumentedExamined
?UnexaminedPaddle and wallet off Angel IslandDocumentedExamined
?UnexaminedThe 2013 letterUnverifiedExamined
Which explanation do you believe? Each is labelled by how well it's supported.
Evidence in play
What supports it
What weakens it
Case 008 · Verdict
What the record supports
The record shows exactly how the three men got out and that they reached the water. It does not show what happened next. Both leading theories rest on the same handful of objects pulled from the bay, and no body or living man has ever settled it.
Did the raft reach Angel Island or the Marin shore, or break up in the bay?
If the men drowned, why were no bodies ever identified?
Was the wrapped wallet lost by accident, or left to make searchers think they had died?
Who wrote the 2013 letter to the San Francisco police?
Was the blue Chevrolet reported stolen in Marin County that day connected to the escape?
Appendix A
Questions readers ask
How did the Alcatraz escape work?
The men widened the ventilation openings in their cells, used a utility corridor to climb to the roof, slid down a kitchen pipe, crossed two fences and launched a raft made from more than fifty raincoats into the bay. Dummy heads in their beds hid their absence overnight.
Were the Alcatraz escapees ever found?
No. A paddle, a wallet and life vests were recovered, but no bodies were identified, and none of the three men has been confirmed alive.
Is the Alcatraz escape case still open?
The FBI closed its file in 1979. The US Marshals Service has kept its case open and continues to accept information.
What happened to Allen West?
His vent grille stuck and he was left behind. He cooperated with investigators, describing the plan, and died in 1978.