and she said, i want kathy to know that i love you and i m very sorry. reporter: the two men she conspired with to commit the killings were sentenced to life imprisonment, one of whom killed himself in prison in 2006. lewis case drew a lot of attention in part because she was not the trigger person and because her iq is between 70 and 72. on the borderline of the legal definition of mental retardation. anyone with less than a 70 iq cannot be executed. best-selling author john grisham has called her execution unjust. even iranian president mahmoud ahmadinejad weighed in on lewis, accusing the western media of having a double standard in reporting lewis execution. for lewis daughter kathy, the final verdict seems just. she could have walked away from our father and never looked back. and i think people need to remember her victims and not her. reporter: since capital punishment was reinstated in 1977, only 11 of the 1224 people executed have been women. brad wheelis, abc news.