Gacy investigation leads to breakthrough in separate, 36-year-old cold case

http://www.cnn.com/2015/09/23/us/john-wayne-gacy-cold-case-breakthrough/

Drath was raised by a single mother, who later married and gave birth to Wertheimer, four years younger. Their mother died when they were young, and her father became the children's sole guardian.

http://www.cnn.com/2015/09/23/us/john-wayne-gacy-cold-case-breakthrough/