Regarding the cost of DP vs. LWOP;
http://www.prodeathpenalty.com/DP.html#D.Cost
THE COST OF LIFE WITHOUT PAROLE VS THE DEATH PENALTY
Many opponents present, as fact, that the cost of the death penalty is so expensive (at least $2 million per case?), that we must choose life without parole ("LWOP") at a cost of $1 million for 50 years. Predictably, these pronouncements may be entirely false. JFA estimates that LWOP cases will cost $1.2 million - $3.6 million more than equivalent death penalty cases.
Cost of Life Without Parole: Cases
Equivalent To Death Penalty Cases
1. $34,200/year (1) for 50 years (2), at = $3.01 million
a 2% (3) annual cost increase, plus
$75,000 (4) for trial & appeals
2. Same, except 3% (3) = $4.04 million
3. Same, except 4% (3) = $5.53 million
Cost of Death Penalty Cases
1.$60,000/year (1) for 6 years (5), at
a 2% (3) annual cost increase, plus
$1.5 million (4) for trial & appeals = $1.88 million
2. Same, except 3% (3) = $1.89 million
3. Same, except 4% (3) = $1.91 million
There is no question that the up front costs of the death penalty are significantly higher than for equivalent LWOP cases. There also appears to be no question that, over time, equivalent LWOP cases are much more expensive - from $1.2 to $3.6 million - than death penalty cases. Opponents ludicrously claim that the death penalty costs, over time, 3-10 times more than LWOP.