An anonymous reader sends word that Sabeen Mahmud, a prominent Pakistani social and human rights activist, has been shot dead. The progressive activist and organizer who ran Pakistan's first-ever hackathon and led a human rights and a peace-focused nonprofit known as The Second Floor (T2F) was shot dead by unidentified gunmen in Karachi. Sabeen Mahmud was leaving the T2F offices with her mother some time after 9pm on Friday evening, reports the Pakistani newspaper Dawn. She was on her way home when she was shot, the paper reports. Her mother also sustained bullet wounds and is currently being treated at a hospital; she is said to be in critical condition.