Paedophile used special software to download depraved material

A convicted paedophile installed specialist software on his computer to secretly download thousands of obscene images onto his home computer. Murshed Choudhury, 43, downloaded the Linux operating system onto his computer without notifying police, which allowed him to share indecent images of children over the internet. He then downloaded 2,658 indecent images, along with three obscene images of oral sex being performed on a dog. Choudhury was under a Sexual Harm Prevention order at the time, requiring him to notify…