Answer:
Theories of punishment can be divided into two general philosophies: utilitarian and retributive. The utilitarian theory of punishment seeks to punish offenders to discourage, or "deter," future wrongdoing. The retributive theory seeks to punish offenders because they deserve to be punished.
1. Fingerprints, Video surveillance and neighbors that witnessed the burglary.
2. bullet casings video street evidence witnesses on the scene.
3. DNA of any kind ,notes, receipts The product that they made and it's consistency to match to what is found on the streets being sold.
I would say they should be spared from death, but not be given freedom if they have gotten the death penalty they should stay in a prison for life with no chance of parole but still have visitors and phone calls
You can determine if a person has changed by running a series of test like a self evaluation and a psychiatric evaluation and the change to repent there action and admit
