US singer D4vd bought tools online to dispose of girl's body, prosecutors allege

US singer D4vd has been accused of purchasing tools online, including chainsaws and a shovel, after prosecutors say he stabbed a teen girl to death. Prosecutors allege he had a lengthy sexual relationship with the girl, who threatened to expose their relationship and "destroy his life". D4vd has pleaded not guilty and his attorneys claim he is innocent, with evidence to be presented in court.