On the issue of how the death penalty affects women, there was an interesting report by Cornell University in New York. I contributed to part of that report, at least to the research done on the Nigerian part. It is interesting to note the recent link, at least from my perspective, between issues regarding early forced marriage and the death penalty. We have many young girls who are forced into marriage.
That's a case my organization handled at the regional level. Maimuna Abdulmumini was alleged to have killed her husband at the age of 13. That's not the only case; it's not in isolation. You have several cases like that of people forced into marriage and abused, and when action is taken, the legal system does not take into consideration the abuse and hands down the death penalty.
You have mixed issues when a woman is an abuse survivor but also a minor on death row. Happily, we were able to get her off death row, because we won the case. Several other cases like that are ongoing.