sentences:  He was murdered during the 1920 insurrection by a son of Sheikh Dhari, from the Zoba tribe, near Fallujah on 12 August 1920.Leachman had visited Dhari in an effort to renegotiate repayment of advances made to him by the government and to persuade him to remain loyal to the current administration, but was shot in the back by Dhari's son after a verbal disagreement over a local robbery.Leachman's death sparked an immediate outbreak of tribal uprisings on the Euphrates between Falluja and Hit, and was responsible for General Haldane's advance on the same area in September, 1920.