Spring of 1863, if not earlier, Anderson and his brother Jim had become bushwhackers and joined Quantrill's Confederate guerrilla company. Anderson later became one of Quantrill's lieutenants.He participated in Quantrill's raid on Lawrence, Kansas on August 21, 1863.
During the retreat to Texas , Quantrill and him quarelled and Anderson returned to Missouri in March 1864 at the head of his own guerrilla company.
On September 27, 1864, Anderson led fellow bushwhackers in the Centralia Massacre (Missouri) and killed around 120 mounted men of 39th Missouri Infantry Regiment during the battle of Centralia
On October 26, 1864, Anderson died near Ray County, Missouri in an ambush, shot through the head by the milicia men of Colonel Samuel P. Cox
source: wikipedia
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