The Mystery of the Century. The only successful escape from Alcatraz

Alcatraz is known as the most formidable prison on earth. Imprisoned on the island, one is deprived of any possibility of escape. So reads the description of this prison.
That was until one day in June 1962. A group of a few men dared to do the impossible, and their fate is still unknown.
Did they drown? Did they escape and create a new life for themselves under different names?
Let's get to the bottom of this.
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[trisgilmour]

It doesn’t matter if they lived or died they escaped

[reneep]

I'd bet money, they made it to freedom, but whether they lived or died, they DID escape Alcatraz, and all of its misery.