No, we don’t need the death penalty. Just lock these monsters away with no visitors (except for their attorneys) for the rest of their natural lives with no possibility of parole.

Nevermind the moral issues of trusting the government to take the lives of those already in custody. Here are a couple of practical concerns:

1 - With appeals and other hearings, it’ll cost more to execute them than to keep them locked away to rot.

2 - These guys might know things authorities still want to know. Enough time knowing they’ll eventually die in their cages just might make them more chatty.

Conversely, what are the advantages of killing them?

1 - We feel better. The bad guys got what was coming to them. Screw ‘em!

2 - …um…