Editing Austin Sigg (section)

==Background==
Sigg lived with his mother<ref name=huff/> in Westminster, Colorado.<ref name=nydn/> He had unusual interests dating back to the age of 12 when his stepmother took him for treatment over extensive viewing of violent pornography.<ref name=huff>[http://www.huffingtonpost.co.uk/entry/austin-sigg-sentence_n_4304065 Austin Sigg Sentenced To Life In Prison Plus 86 Years For Murder Of Jessica Ridgeway] - Huffington Post</ref> A victim of bullying, Sigg dropped out of high school but later earned an equivalent diploma.<ref name=nydn2/> He was interested in death and mortuary science,<ref name=nydn>[http://www.nydailynews.com/news/national/teen-killed-dismembered-girl-life-prison-article-1.1522172 Colorado judge orders teen who killed, dismembered 10-year-old girl to spend life in prison] - NY Daily News</ref> and told his brother a community college class he took was helping him learn how to commit murder undetected.<ref name=nydn2>[http://www.nydailynews.com/news/crime/killer-practiced-zip-tying-mother-kidnapping10-year-old-article-1.1535599 Austin Sigg practiced zip tying his mother before kidnapping, raping and dismembering 10-year-old Jessica Ridgeway] - NY Daily News</ref> In May 2012 he used homemade chloroform in an attack on a jogger in a Westminster park; she escaped.<ref name=nydn/> Ahead of the murder of Ridgeway Sigg practiced binding his mother using zip ties.<ref name=nydn2/> [[Child Pornography|Child pornography]] was discovered on his computer following his apprehension.<ref name=huff/> His mother had also found child porn on his computer in 2008.<ref name=den>[https://www.denverpost.com/2013/11/18/austin-sigg-cries-as-jessica-ridgeways-family-remembers-10-year-old-girl-he-killed/ Austin Sigg cries as Jessica Ridgeway’s family remembers 10-year-old girl he killed] - The Denver Post</ref>