Based on this can you provide What's the source's value(s)? What's the source's limitation(s)?The source argues against the idea that life imprisonment without parole is a suitable alternative to the death penalty. It points out that inmates can still commit murders within prison or upon escape, citing the case of Dawud Mu'Min, who killed a storekeeper during an escape, but was later executed. The source also highlights that life sentences can change over time due to shifts in sentencing laws. It uses the example of James Moore, who was sentenced to life without parole for murdering a teenager, but due to law changes, is now eligible for parole every two years. The source suggests that the victim's parents regret their decision to spare Moore the death penalty, as they now have to relive the tragedy biannually