Investigation services for the insurance industry   Determining liability Do you need to know the facts about a fire, workers compensation accident claim, a theft, burglary, motor vehicle accident or any other situation where you need to locate witnesses and obtain comprehensive statements to know precisely what happened, when and where it happened, and most importantly - who is liable? GKA Investigations Group has completed investigations at murder, plane crash, motor vehicle accidents, and have been appointed to conduct forensic examination on many of the major fires in Sydney and around NSW. Greg was appointed the forensic investigator on the $100,000,000 Myer fire in Hobart in 2007.