0, it isn't a prison anymore.
there is no prison so there will be no prisoners
There were 1576 Prisoner numbers registered on Alcatraz (a few were sent back to the island as many as 2 times).
there were 1000 prisoners and cells
It is so prisoners would have a hard time escaping.
The first group of prisoners landed on the shores of Alcatraz on August 11,1934.
312
336 prisoners
100
302
312
2,00
it held many famous prisoners