 In 1855, Texas Governor Elisha M. Pease authorized a raid into Mexico.An international incident was brought about by James H. Callahan and William R. Henry, whose pursuit of Lipan Apache raiders and runaway slaves into Mexico ended in the looting and torching of Piedras Negras, after an encounter with Mexican forces at La Marama on the Río Escondido.Maverick County was established from Kinney County and named for Samuel A. Maverick in 1856.