Question: Khalid al-Aruri is married to a sister of what man sometimes known as Shaykh of the slaughterers?
Sentence (from "Abu Musab al-Zarqawi"): He became known after going to Iraq and being responsible for a series of bombings, beheadings, and attacks during the Iraq War, reportedly "turning an insurgency against US troops" in Iraq "into a Shia-Sunni civil war".
Relevant evidence: No