TACOMA, Wash. — Authorities have charged four people with aiding the man accused of killing four Washington state police officers and plan on indicting two more in what investigators call a network of friends and relatives that helped Maurice Clemmons avoid capture. Rickey Hinton, 47, pleaded not guilty Thursday at his arraignment to three counts of first-degree rendering criminal assistance. Pierce County Superior Court Judge Frederick Flemming ordered him held on $2 million bail. Court documents accuse Hinton, Clemmons' half brother, of lying to police Sunday when they stopped him for questioning near the property owned by Clemmons where Hinton...