00:04Three prisoners disappeared overnight, and nobody knew where they went.
00:13A prison surrounded by freezing water, but three men found a way out.
00:23Three prisoners, three locked cells, one impossible plan.
00:34Behind these walls was a hidden service corridor, and that changed everything.
00:45These fake heads fooled the guards.
00:54Above the cells was a hidden workshop, and nobody knew it existed.
01:05They made a boat out of raincoats, but could it cross this?
01:15June 11, 1962, the night their plan began.
01:24Four men planned to leave that night, but only three escaped.
01:35They traveled through a passage hidden behind the cells.
01:42They reached the roof far above the guards, but freedom was still across the water.
01:52They had escaped the prison itself, but could they escape the bay?
02:02That night, three men vanished into the bay.
02:05Did they reach the other side?
02:14By sunrise, three prisoners were missing.
02:17The search began immediately.
02:23Authorities searched the water for any trace, but nobody found the missing men.
02:32Searchers recovered pieces of escape equipment.
02:36But where were the men themselves?
02:43The freezing water wasn't their only obstacle.
02:46The currents could carry them anywhere.
02:52Their reported destination was Angel Island.
02:56Could they have reached the mainland?
03:02Decades later, a letter claimed one man survived.
03:06But nobody could verify the claim.
03:12The FBI ended its investigation in 1979.
03:16Their fate is still unknown.
03:21Did they reach freedom or disappear forever?
03:26Follow InfoRevolution for more true mysteries.
