The young woman's corpse was found in a bag in the Helmand river. But the murder inquiry was hampered by a simple fact - no one recognised her face.
She was just one of Afghanistan's invisible females, imprisoned in their homes and hidden behind the burqa. Her birth was never recorded, she never owned an identity card and her death was equally anonymous.
The toll of civilian casualties in the war in Afghanistan is well known. Yet 10 times the number of women killed by war set fire to themselves every year - 2400, according to the United Nations. It is a reflection of their increasing anguish, despite being promised a better life a decade ago. Across Afghanistan, progress has been made. More girls are going to school, there are women in Parliament, there is a Ministry of Women's Affairs and a law forbidding violence against them. But for the females of Helmand - the British area of operations - that brave new world has yet to filter down.
"The capital is a completely different place for a woman compared to provinces like Helmand," said Samira Hamidi, director of the Afghan Women's Network. "In a conservative province like Helmand, they are expected to stay at home. The impact of the insecurity makes an Afghan woman a paralysed person."
Young girls are still sold off to pay debt. Many are forced into marriage as young as 12. One in 11 women do not survive childbirth. Illiterate and unable to earn a living, they are reliant on their families.