Mishal Husain speaks to Imaan Mazari-Hazir, a lawyer in Pakistan whose passion for human rights began early in her legal studies. She has become well known in her home country for defending people’s rights against the state – taking on difficult cases of abduction and forced disappearance, and speaking out against the country's powerful military. She has herself faced arrest, and now charges under anti-terror laws. Amid political and economic turmoil, is the rule of law in Pakistan in crisis?