A grand jury in Los Angeles continues to hear testimony in the death investigation of Celeste Rivas, whose body was found in singer D4vd's impounded car, with D4vd named as a suspect.Robert Morgenroth, D4vd's manager, testified that he did not report finding Rivas's body because he wanted the tour to continue, while a prosecutor now seeks to compel another witness represented by Morgenroth's lawyer, Evan Jenness.