CUBS AND WHITE SOX FANS HAVE BEEN WAITING FOR FOR MONTHS IT'S FINALLY HERE. WE ARE LIVE WITH ALL THE EXCITEMENT ON THIS OPENING DAY. >>> WE BEGIN AT 4:00 WITH THIS BREAKING NEWS UPDATE. WITHIN THE PAST FEW HOURS, WE HAVE LEARNED NEW DETAILS ABOUT YESTERDAY'S VIOLENT MESS STABBING IN ROCKFORD PIT >> FOUR PEOPLE WERE KILLED, INCLUDING A 15-YEAR-OLD GIRL WHO DIED TRYING TO SAVE HER SISTER. CBS 2'S SABRINA FRANZA IS LIVE IN ROCKFORD, WHERE TODAY, THE MAIN SUSPECT FACED A JUDGE, CHARGED WITH MURDER. >> THEY WERE DOING WHAT WE ALL DO. BUT YOU SHOULD ALL BE DOING. IT'S SPRING BREAK. YOU HAVE THREE GIRLS WATCHING A MOVIE? I CAN'T EVEN COMPREHEND THAT. >> >> Reporter: THE FOUR PEOPLE WHO LOST THEIR LIVES, 15-YEAR-OLD JENNA NEWCOMB, 23-YEAR-OLD JACOB SCHUPBACH, 63-YEAR-OLD RAMONA SCHUPBACH, BOTH OF THE SCHUPBACH, WE'RE TOLD, WERE LONGTIME FRIENDS OF THE PERSON THAT STABBED THEM, AND 49-YEAR-OLD JAY LARSON, WAS A LETTER CARRIER THAT WAS DOING WHAT HE LOVED, DELIVERING MAIL TO CUSTOMERS FOR OVER A DECADE WHEN HE WAS STABBED TO DEATH AND RUN OVER. SEVERAL OTHERS WERE INJURED, ONE A GOOD SAMARITAN WHO WAS TRYING TO HELP ANOTHER, A FIRST RESPONDER. SEVEN IN ALL DURING THIS STABBING RAMPAGE. THIS ALL STARTED WEDNESDAY AFTERNOON. POLICE SAY 22-YEAR-OLD CHRISTIAN IVAN SOTO WENT TO THE HOME OF HIS CHILDHOOD FRIEND. SOTO TOLD POLICE HE WENT THERE TO SMOKE MARIJUANA, AND HE CLAIMS IT WAS LACED WITH AN UNKNOWN NARCOTIC. THAT'S WHERE PROSECUTORS SAY HE STABBED HIS FIRST TWO VICTIMS. THEN HE'S ACCUSED OF STABBING THE LETTER CARRIER, THEN BREAKING INTO MULTIPLE HOMES, ATTACKING TEENAGE GIRLS WITH A BAT AND KILLING ONE. HE WAS ARRESTED WHILE STABBING TWO MORE VICTIMS. A WITNESS, WHO TRIED TO DISTRACT SOTO WHILE HE WAS ATTACKING HIS LONGTIME LETTER CARRIER, SAT DOWN WITH US TO RECOUNT THE HARROWING SAME. >> I SAID, WHAT ARE YOU DOING? YOU KNOW, IT STARTLED HIM, MAN. HE SAID, HE STOLE MONEY FROM ME. I JUST SHOOK MY HEAD, AND SAID, YOU GOT TO BE KIDDING ME. AND HE ACTED VERY DELUSIONAL. YOU KNOW, LIKE, HE'S UNDER OATH. THAT'S THE WAY HE ACTS. KIND OF GLASSY EYED AND EVERYTHING, YOU KNOW? HE'S OUT OF HIS MIND. >> Reporter: PRESIDENT JOE BIDEN AND FIRST LADY DR. JILL BIDEN JUST RELEASED A STATEMENT ADDRESSING THESE ATTACKS, SAYING THEY ARE HORRIFIED TO HEAR THIS NEWS. MEANWHILE, SOTO RAISES FOUR COUNTS OF FIRST-DEGREE MURDER AND SEVEN COUNTS OF ATTEMPTED MURDER. HE APPEARED IN COURT TODAY, AND HE WAS HELD WITHOUT BOND. WE'RE LIVE IN ROCKFORD, SABRINA FRANZA, CBS 2 NEWS. >> SABRINA, THANK YOU. >>> THIS AFTERNOON, DOZENS GATHERED NEAR THE SCENES OF YESTERDAY'S ATTACK TO MOURN THE FOUR LIVES THAT WERE LOST. THE VIGIL INCLUDED LOCAL FAITH LEADERS AND POLITICIANS. AMONG THE SPEAKERS, THE ROCKFORD POLICE CHIEF. SHE SAYS HER DEPARTMENT IS HURTING. >> THIS CUTS YOU AT THE ROOTS. I CAN'T IMAGINE WHAT THE FAMILIES ARE GOING THROUGH. THE OFFICERS THAT HAD TO BE THE FIRST ONES ON SCENE AND SEE THE VICTIMS IN THOSE CONDITIONS, THIS IS NOT EASY. >> Reporter: >> STATE LEADERS FROM
