The Right to liberty and security of the person is explained in these documents:

Legally Obligating Documents
African (Banjul) Charter on Human and People's Rights (3, 6)
Convention on the Rights of the Child (37(b - d))
International Covenant on Civil and Political Rights (9)

Standard Setting Documents
Beijing +5: Further Actions and Initiatives to Implement the Beijing Platform for Action (69, 70)
Beijing Platform for Action (106(g, h), 107(e))
Cairo Programme of Action (4.10, 4.22, 5.5, 7.12, 7.40)
Universal Declaration of Human Rights (1, 3)