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ALLEGEHNY COUNTY JAIL. JIM: WE HAVE BEEN TRACKING PAST INCIDENTS INVOLVING THE HOMICIDE SUSPECT, BUT TODAY WE CONFIRMED NEW LAYER’S INTO WHAT’S -- WHAT FRIENDS DESCRIBED AS CHANGING BEHAVIORS IN THE YEARS SINCE HIGH SCHOOL. ♪ JI THIS IS A CLIP FROM ONE OF HIS MUSIC VIDEOS FROM WHAT WE WERE TOLD WAS AN ALBUM HE PUT OUT AS PART OF HIS ASPIRING RAP CAREER. WE HAVE INFORMATION ABOUT A BIZARRE INCIDENT AT A MALL LAST APRIL. ACCORDING TO THE REPOR OBTAINED TODAY, POLICE WERE CALLED BECAUSE ROSENBERG WAS ACTING ERRATICALLY. HE CAME IN AND OUT OF DRESSI ROOMS MULTIPLE TIMES, ONCE JUST IN HIS UNDERWEAR, ANOTHER TIME TO DO PUSH-UPS IN THE MIDDLE OF THE STORE. AT ANOTHER STORE, HE BOUGH HIMSELF IN THE WOMEN’S RESTROOM, RIPPING THE TAG OFF A HAT HE HAD TAKEN FROM ANOTHER STORE. ALL OF HIS CLOTHES WERE WET AND A MARIJUANA CIGARETTE WAS FOUND IN A SWEATSHIRT WHEN THEY ARRIVED. WHEN HE WAS TAKEN TO THE POLICE STATION, HE DIPPED HIS HEAD IN THE TOILET MULTIPLE TIMES AND DRANK TOILET WATER FROM THE HOLDING CELL. THIS IS ONE OF FOUR INCIDENTS THAT ENDED WITH HIM FACING CHARGES. WE HEARD FROM FRIENDS OF HIS SAYING SOMETHING CHANGED AFTER HIGH SCHOOL. NO CHARGES HAVE BEEN FILED IN THE DEBT OF CHRISTIAN HE IS -- ROSENBERG IS DUE

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Action News Investigates has learned new details about an incident at the Ross Park Mall involving Adam Rosenberg, the 21-year-old man who is facing homicide charges in the death of a 28-year-old Baldwin man. According to the police report from April 2019, police were called to the mall because Rosenberg was acting erratically. At one store, police said Rosenberg came in and out of the dressing rooms multiple times. One time he was wearing just his underwear and another time he came out to do pushups in the middle of the store. At another store, police said Rosenberg locked himself in the women's bathroom and ripped the tag off a hat. He had allegedly taken the hat from another store. The report said all of Rosenberg's clothes were wet and marijuana was found in his sweatshirt. Police said that when Rosenberg was taken to the police station, he dipped his head in the toilet multiple times and even drank the toilet water. This is one of four incidents in 2019 that ended with Rosenberg facing charges. Pittsburgh's Action News 4 spoke with high school friends of Rosenberg's last week who said something changed with him after high school. We found a clip from one of Rosenberg's music videos. His friends said he put out an album as part of his aspiring rap career. (Tap the video player above to watch the clip)Rosenberg is charged with a Baldwin homicide last month. On Tuesday, the body of a man who has been missing since December was found near Rosenberg's family home. No charges have been filed in the death of Moore-Rouse.