Peel Regional Police have laid additional charges on the Brampton car crash driver that killed a mother and her three girls back in June. \nAccording to a news release, Brady Robertson was allegedly driving impaired that day and has been charged with Impaired Operation Causing Death by Drugs. \n\nEditor's Choice: You Will Now Be Fined $10,000 For Hosting An Illegal Party In Ontario (VIDEO)\n\n\n“\nFour additional charges of Impaired Operation Causing Death by Drugs were laid.\n\nPeel Regional Police\n\n\nHe is scheduled to appear in court on September 18. \nOn June 18, Karolina Ciasullo was driving in Brampton with her three children when they were struck by Robertson's vehicle. All four of them died from their injuries. \nRobertson was originally charged with Dangerous Operation of a Motor Vehicle Causing Death and Dangerous Operation of a Motor Vehicle. \nSince the crash, a GoFundMe page set up by the husband and father of the family has raised over $400K.