>> A quick, painless death is warranted.<<
Do you think what he did to the baby was pain free? No, he should be hung by his gentiles until they fall off, then fed into a wood chipper feet first.
Nonsense. He does not deserve the pleasure of suffering. Animals are slaughtered as painlessly as possible. That is the appropriate treatment. Sadly it is not available. He will spend 20-30 years in prison where his rights will be protected.