Sudanese national Deng Chol Majek accused of viciously murdering Rhiannon Whyte. Dark-skinned loner migrant stared intimidatingly at white female staff for hours. Staff felt he was planning something scary. Majek barged shoulders into Whyte at hotel exit prompting her outrage. Whyte carried rape alarm and pepper spray due to fear of him. Previous asylum seeker verbally abused Whyte calling her bitch and threw biscuits at her. Another migrant reduced Whyte to tears day before murder. Majek followed hooded Whyte from hotel to deserted train platform. Friend heard three terrified agony screams during phone call before line died. Majek stabbed Whyte over and over with screwdriver at 11:13pm. Whyte found bleeding out 11 minutes later and died three days after. Majek casually returned to hotel buying alcohol en route. Majek seen dancing and laughing excitedly after attack. Hotel turned into asylum seeker accommodation where attacks originated. Staff alerted security over Majek's spooky wide-eyed stares. Whyte joked about pepper-spraying the staring Sudanese migrant.