Some crimes stun the mind, others sear the soul. In Richmond, California, last week, townspeople were agonizing over the savage beating of a one-month-old baby. Ignacio Bermudez Jr. was dumped from his bassinet, pummeled with fists, kicked and possibly hit with a stick, leaving his skull cracked. His alleged assailants? Twin brothers, age 8, and the suspected ringleader, a boy of 6, who were playmates of Ignacio's siblings. "This is as shocking a crime as we have seen," said Richmond police captain Ray Howard.
Police initially believed the tragedy grew out of a theft. Under questioning, the boys tearfully admitted entering...