January 30, 2014 5:24 pm Justin Bieber Toxicology Report Released The preliminary toxicology report for Justin Bieber’s recent arrest in Miami Beach showed that he tested positive for marijuana and Xanax. NBC 6’s Claudia DoCampo has the story. US & World Videos 0:22 Have you seen her? 70-year-old woman goes missing from Little Haiti 0:39 Teen driver killed in Pompano Beach rollover crash; 4 teens, man hospitalized 0:34 Rhode Island man arrested on 13 charges including child porn, sex with animals in South Florida 4:33 Panthers Parade: What to know about road closures, weather and more 0:23 Traffic investigation closes stretch of road in Pompano Beach