Authorities have released of three people accused of trying to kill a security officer at a Kona hotel.Security guard John Kanui is still recovering from life-threatening injuries while his three alleged assailants are behind bars.Meanwhile, suspects Wesley Samoa, Lama Lauvao and Natisha Tautalatasi pleaded not guilty to attempted murder on Friday.Investigators said Kanui was responding to a complaint about loud noise in the hotel’s parking lot just after midnight on Sep. 17. They say when Kanui approached the group, they started yelling at him, which then escalated to them pulling him from his security golf cart and taking turns punching and kicking him in his face even after he appears to be unconscious.