. >> in 1997, darrell holtom confessed to shooting his three young boys and his ex-wife's 4-year-old them all. >> i miss them. but, no, i can't say that i feel any remorse. >> darrell has never tried to fight his death sentence. >> can you mitigate the death of four children? with a straight face? the fact that my children are dead, that i'm the one that killed them. i'm not going to sell out. i'm not going to change my views on the death penalty just because i'm facing the death penalty. i do think that death penalty is appropriate in some cases. and i've got a low tolerance for someone that claimed they didn't do something that they actually did. >> darrell is allowed only one hour of recreation time a day and must be escorted in chains and leg irons by two officers. >> any movement outside your cell is valued. the walls sort of limit your field of vision. so you get a sense of the open air, even if it is inside of a cage. >> john johnson has been on death row for 20 years. >> i was arrested in 1984, convicted of murder of my wife in 1985. when i first went to death row, i was some