{Mathias, West Virginia}...Federal prosecutors plan to seek the death penalty against Lori Ann Taylor Keller, a Virginia woman charged with killing a West Virginia family. Keller is charged with killing her ex-husband, 36 year old Dennis "Chip" Taylor in October 2009 in his home in Mathias, West Virginia. She also faces charges in the deaths of Taylor's wife, Allaina Taylor, and 5 year old daughter Kaylee Grace Whetzel. Taylor Keller's husband Nakia Keller is also charged in the killings. That trial is set for August 2012.