Again, killing ex-husband to marry his wife = jail time.
Only if you're caught. And in case of Lex, it's more like pest-control. And you wouldn't arrest an exterminator for getting rid of the rat-infestation in your cellar, now would you?
No, I did not mean killing him with joy.
How about heart-attack, then?
Nope, that stupid lack of planning gene again.

Michael