The Virginia Department of Emergency Management announced Thursday it will organize a community search effort for missing second-year College student Hannah Graham early Saturday morning. Graham has been missing since early morning last Saturday.Volunteer searchers can register online at helpfindhannah.brmrg.org until 5 p.m. Friday. “Anyone who is unable to register online can register in person at John Paul Jones Arena at 295 Massie Road in Charlottesville prior to the 7 p.m. Friday volunteer briefing,” according to a VDEM press release. “Only those who have registered will be permitted to participate in Saturday’s search.” All volunteers must be at least 18 years of age and be physically in shape for walking and searching for up to four-hour periods.Registered volunteers need a driver’s license, water, proper clothing and footwear, and a copy of their registration form on Saturday. Only registered volunteers will be able to participate in the search.Student Council President Jalen Ross, a fourth-year Engineering student, urged members of the University community to sign up for the search at a vigil held for Graham Thursday night. “Together we are going to go find Hannah,” he said. “Join us.” Police Thursday also released information Thursday about a person of interest in the investigation. An eyewitness, who is seen following Graham on footage released by two merchants on the Downtown Mall, said he saw a man come up to Graham and put his arm around her shortly after 1 a.m. last Saturday.