Who is Julian Faulkner, the man who hammered Indian student to death in US and what led to the attack?

Vivek Saini, an MBA student in Georgia's Lithonia, was brutally attacked and killed by a homeless man named Julian Faulkner. Vivek Saini, the 25-year-old Indian student who was hammered to death by the drug addict. India reacts to the murder India has now reacted to the "terrifying, brutal and heinous incident.” In a post on X, India in Atlanta wrote, “We are deeply anguished by the terrifying, brutal, & heinous incident that led to the death of National/student Mr Vivek Saini & condemns attack in the strongest terms. It is understood that the US authorities have arrested the accused & are investigating the case.” It added in the thread, “The Consulate got in touch with the family of Mr Saini immediately after the incident, provided all consular assistance in sending the mortal remains back to India, and remains in touch with the family.”