DEATH TOLL RISING TO FOUR LAW ENFORCEMENT OFFICERS KILLED NEAR CHARLOTTE YESTERDAY. SAM BROCK IS THERE. >> Reporter: IN THE AFTERMATH OF BULLETS FLYING AND OFFICERS RUNNING INTO THE LINE OF FIRE, THERE IS A CAVERNOUS HOLE IN CHARLOTTE TONIGHT. WITH THE DEATH TOLL NOW UP TO FOUR, DEPUTY U.S. MARSHALL THOMAS WEEKS, DEPARTMENT OF CORRECTION VETERANS SAM PELOCCI AND OFFICER OF THE MONTH JOSHUA ILER. >> HE WAS OUT GETTING ILLEGAL GUNS OFF THE STREET. HE IS GOING TO BE SORELY MISSED. >> Reporter: THIS TRAGEDY NOW THE DEADLIEST FOR POLICE IN GUNFIRE IN ALMOST A DECADE. >> IT'S BEEN VERY TOUGH. KNOWING THAT YOU HAVE FAMILIES ARE HURTING RIGHT NOW. >> Reporter: LAW ENFORCEMENT SAYS THIS MAN, TERRY HUGHES JR. WITH A LENGTHY CRIMINAL RECORD GUNNED DOWN THE OFFICERS AS THEY APPROACHED SERVING A WARRANT BEFORE HE WAS SHOT IN THE YARD OUT THIS HOUSE. INVESTIGATORS RECOVERED AN AR-15, A HANDGUN, AND MORE THAN 100 SHELL CASINGS AFTER A FURIOUS CONFRONTATION. >> HOW DOES A CONVICTED FELON ACQUIRE A HIGH-POWERED ASSAULT RIFLE? >> I THINK YOU CAN ASK ANY -- ANYBODY ON THE STREETS. YOU CAN HAVE THESE LAWS ON THE BOOKS, BUT IF SOMEONE WANTS TO POSSESS A FIREARM, THEY CAN CERTAINLY GET ONE. >> Reporter: NOW AFTER A SPECULATE OF RECENT ATTACKS ON OFFICERS, ANOTHER REMINDER OF WHAT THESE PUBLIC SERVANTS STAND FOR. >> WOULD YOU DO THIS AGAIN, KNOWING YOUR FATE YESTERDAY? WOULD YOU DO