The president of #D4vd’s touring company was grilled Monday by a deputy district attorney in front of a grand jury ... on why he didn’t call the cops. A grand jury is hearing evidence in the de-th of #CelesteRivas. TMZ broke the story ... LAPD’s Robbery Hom-cide Division is considering D4vd a suspect in what it says is an apparent homicide. #RobertMorgenroth, the general manager of Mogul Vision, D4vd’s record label, is also the president of #ZaraBrothersTravel — D4vd’s tour company. Morgenroth testified all day Monday before the L.A. grand jury. At one point, with a half dozen people in the hallway, Morgenroth came out into the hallway and was talking to his lawyer — loud enough so others could hear. He said — referring to Beth Silverman, the deputy D.A. presenting the case before the grand jury — “She was very pushy on why I didn’t call police.” He went on to recount how he responded — “I said I feel like I didn’t have the responsibility to do that, and just wanted to continue wit...