In the mid-1990s, Christopher married Gwendolyn Black, a retired Army soldier who was now an elementary school teacher.

[2] Christopher, who had no criminal record, bought a 9mm semi-automatic pistol after waiting a few days for a background check.

He also recorded several cassette tapes, in which he said he was angry over his impending divorce, discussed his plans to kill his wife and anyone else he found with her, and explained how he got a gun.

Christopher then shot Christina Marie Black, now 5-months-old, and his 17-month-old step-granddaughter, Katrese Houston, while she was sitting in her high chair.

"We approached him and he said he wasn't going to put the baby down on the cold ground," said officer Eric Bradley in an interview after the murders.

"My days are long and sad," Christopher wrote on a pen pal site for inmates.

"[2] "I don't recall a case that was any more aggravated or any more vicious in the way the crime was committed and the consequences," said Lon Curtis, an attorney who prosecuted Christopher.

[5] After the execution, Gwendolyn's sister, Mardelouis Hawthorne, said "We still miss our loved ones but we won't be thinking about him.