http://www.therichest.com/rich-list/most-shocking/the-10-worst-parents-in-the-world/
http://www.dailymail.co.uk/news/article-2139636/Teenage-mother-intentionally-burned-15-month-old-sons-genitals-hair-straightening-iron.html
http://koin.com/2016/06/08/mom-convicted-of-manslaughter-after-starving-child/
http://www.dailymail.co.uk/news/article-3554639/Romechia-Simms-son-Ji-Aire-Donnell-Lee-died-La-Plata-Maryland-pushed-swing-40-hours-speaks-death.html
http://www.dailymail.co.uk/news/article-3014147/Mother-accused-killing-son-9-daughter-13-eldest-daughter-body-freezer.html
http://www.truecrimereport.com/2010/03/james_and_sandra_davis_traded.php
http://www.dailymail.co.uk/news/article-3038734/Mom-disabled-son-woods-faces-attempted-murder-charge.html
http://www.independent.co.uk/news/uk/crime/magdelena-luczak-mother-of-murdered-daniel-pelka-dies-in-prison-10388660.html
https://en.wikipedia.org/wiki/Fritzl_case