outside wiring

When putting in switch's or recp. in a metal box should I connect the ground wire to the box or to the switch/recpt. Or pig tail it and connect it to both. Thanks

I ran into the following Ap story on CNN and thought it worthy of posting here considering the ongoing discussions concerning grounding and the hazards of improper grounding. ------------------------------------------------------- LAS VEGAS, Nevada (AP) -- A tourist was electrocuted near a Las Vegas Strip casino during a weekend rain storm. Rebecca Longhoffer, 39, of Louisville, Ky., was walking across a median near the Treasure Island hotel-casino late Saturday when she stepped on a wet traffic signal wiring box and collapsed, authorities said. Clark County Public Works spokesman Bobby Shelton said a worn wire inside the traffic box may have caused a short circuit. The victim was not wearing shoes, police Lt. Chuck Mangrum said. Longhoffer, a computer programmer and mother of four, was visiting Las Vegas with her fiance, who was playing in a billiards tournament. She was pronounced dead at a hospital. ---------------------------------------------------- Could some of pros on the forum comment on this? Is the box typically gounded in this situation and if it was properly grounded, would it have made any difference since everything was wet and the victim was not wearing shoes? DWJ