The style and scale of the attacks in and around the Kenyan town of Mpeketoni have left many questions unanswered. Who carried out the violence? Why kill only men? President Uhuru Kenyatta has blamed a quot;local political networkquot;, but Somali militant Islamist group al-Shabab says it was behind the killings. However, for the moment, most Kenyans remain unclear as to who the perpetrators are. Possibility 1: Al-Shabab Al-Shabab has said it carried out the attack in order to take revenge on Kenya for the presence of its troops in Somalia, where they are battling the militants, as well as for the killing of radical clerics linked to al-Shabab in the port city of Mombasa. If the Somali...