Mentally and physical impaired
It was also later revealed that Gumpenberger suffered a traumatic brain injury caused by a car accident in 2005, which left him mentally and physically impaired. As a result, his mental and physical abilities became limited and he had a slurred speech. He did not drive, nor did he have income. He was supposed to have an interview for a job he was applying for at a company that helps persons with disabilities on the day he was killed. He left behind two children.
