idea. i think i will leave. this is a fortress. it still stands hundreds of years later. i'm wondering, wouldn't it been better off staying? >> once you dig in and once fought, you can be surrounded easily. >> jim fannon travels 18 miles where he's surrounded by the mexican army. fannon is told that he can return to goliad where he and his men will be safe. this turned out to be a lie. they were executed. few escaped to tell their story. they didn't just kill the men. they are held up in a church here in the fort. they are broken up in three groups. one of the groups was told they're going to the coast. other two groups were told they will be collecting wood and water. they marched about a mile outside of the walls of the fort. mexican soldiers were escorting them. turn on a level and --