A Moroccan limo company owner is believed to have shot four members of his family before taking his own life after a dispute over the business turned deadly. Police believe that 50-year-old Driss Diaeddinn bought a semi-automatic handgun and shot his brothers, 38-year-old Reda Diaeddinn and 56-year-old Dodi Fayed, and their mother, 76-year-old Kenza Benzakour, on the ground floor of their Phoenix, Arizona home at 2pm on Thursday. He then is believed to have gone upstairs to shoot dead his sister-in-law, 26-year-old Meriem Ben Yahia, before taking his own life, police said. Police said it appears the man and his relatives were in an on-going dispute over the family business. ABC 15 reported that he shot each victim in a way that ensured they were dead. Scroll down for video . The bodies of three women and two women were discovered in a northern suburb of Phoenix, Arizona on Thursday afternoon. Aerial footage shows a SWAT team entering the house in the aftermath . Phoenix Police Department officers stand out in front of a home in the aftermath of the shooting . They believe the shooting occurred after a family dispute and believe one of the dead family members had shot their relatives before taking their own life. A single gun was found at the scene . His wife and two children, aged three and 10 months, were able to escape and shed called 911. 'Our dispatcher could hear shots fired in the background while that call was coming in,' Phoenix Police Sergeant Trent Crump said. 'A caller had been able to escape the home at that point, get out, and start to give us information.' After police swooped on the scene, another woman, the suspect's sister, emerged from the house and said she had been hiding. She said that there were several dead people inside the house. When tactical teams got inside the home, they found the four victims and the one man with a self-inflicted gun shot wound, and pronounced them all dead. 'Witness information at this time indicates there had been an ongoing business dispute between the 3 brothers,' Crump said on Friday afternoon. Jared Carpenter, who lives next door to the home where the shooting took place, told the Daily Mail Online the shooter was in his 50s and owned a limo company. A neighbor captured what appeared to be snipers preparing to get into position around the house . Two more people from the authorities walk through the police barricade and head towards the property . According to neighbors, negotiators were speaking over a megaphone in Arabic as the family are believed to be Moroccan. Another neighbor, Shirley Glickman, told 12News that the family were quiet and kind. 'They been there, I guess, maybe 10 years. I've been here 20 years,' she said. SWAT team and scout snipers were seen storming the scene in the aftermath of the shooting. A robot was then sent in to assess what had happened inside before SWAT entered through the back door of the property and discovered the bodies. Residents said the family were virtually 'invisible' until the shooting took place. Neighbors said the family, who ran a transport company, had always been 'invisible' until the shooting . Police set up a barricade during the stand-off before a SWAT team entered the house and discovered the bodies. Reports suggest the street could be blocked off until Friday .
Driss Diaeddinn, 50, 'shot dead his two brothers, mother and his sister-in-law amid a dispute about the family business' on Thursday afternoon .
The gunman's wife escaped the home with their two toddlers and called 911, and an hour later, his sister emerged saying she had been hiding .