Shami Chakrabarti director of Liberty used to called PIE (Paedophile Information Exchange)
"In 1975, the campign group – which lives on today as human rights watchdog Liberty – controversially granted official “affiliate” status to the Paedophile Information Exchange (PIE), a body which lobbied openly for child sex."
https://www.telegraph.co.uk/news/politics/labour/10659100/Harriet-Harman-Jack-Dromey-Patricia-Hewitt-and-the-Paedophile-Information-Exchange.html