Stepmother pleads guilty to murder of Kansas City, Kan., boy who may have been fed to pigs

KANSAS CITY, Mo.—In a case that shocked even veteran police officers and prosecutors, the stepmother of a 7-year-old boy killed in Kansas City, Kan., last year pleaded guilty Thursday to murder and child abuse charges. Heather Jones, 30, pleaded guilty in Wyandotte County District Court to a charge of first-degree murder in the death of Adrian…