While Yingying Zhang's family was trying to raise awareness of her disappearance, her accused kidnapper and killer was drinking alcohol from a water bottle, cracking jokes and bragging about how gruesomely he killed her. PEORIA — While Yingying Zhang's family was trying to raise awareness of her disappearance at a campus vigil, Brendt Christensen was drinking alcohol from a water bottle, cracking jokes and bragging about how gruesomely he killed her. read more