Outraged with the outward signs of torture and mutilation on the body and face of the fourteen year old Matilda, and the account of successive gang rape she had suffered, the Texan's exercised a premeditated plan of violating the immunity of the peace delegation.
On the way back from the sea the Comanches were confronted by Texas rangers and militia in a fight called the Battle of Plum Creek (near the modern town of Lockhart).
The "battle" was really more of a running gun fight, as the Comanche War Party was trying to get back to the Llano Estacado with a huge herd of horses and mules they had captured, a large number of firearms, and other plunder such as mirrors, liquor, and cloth.
Joined by Ranger companies and armed settlers hastily assembled as militia from central and east Texas, they confronted the Indians at Good's Crossing on Plum Creek, near the modern town of Lockhart (about 27 miles south of Austin).
[10] Buffalo Hump continued to raid white settlements until 1844, when he negotiated peace, and after Texas acquired statehood he agreed to settle his band into the Treaty of Council Springs, while European settlers took over the former Comanche land.