1.   Although there is a growing literature on prisons, prison research arbitrarily stops at the prison gates.

2.   Thousands of protesters stood in silence outside the prison gates.

3.   After several days of barring journalists on security grounds, the authorities have now opened the prison gates to foreign visitors.

4.   After passing through the prison gate, Saro-Wiwa was escorted to the records room.

5.   All of this conjured up the image of relentless G-men and high prison gates slamming forever behind legions of crooks who would never again pose a menace to society.

6.   Demonstrators protest outside the prison gates each time the death penalty is carried out, he said.

7.   He stood at the prison gates in his work clothes with his belongings in a plastic bag, waiting.

8.   He took a few steps outside the prison gate, but fans who had been anticipating his release swarmed around him.

9.   Instead, rig hands stayed away, and desperate employers wound up trying to recruit parolees at prison gates or flying in foreign oil workers.