Authorities have been unable to establish how he died , so further tests on the 20-year - old have been ordered , the Los Angeles County Department of Coroner has revealed . TOXICOLOGY TEST ORDERED FOR DR andre young jr . dr . dre s son . DRE 'S SON : Autopsy alone could not determine cause of death andre young jr andre young .

Question: What may be the reason for ordering toxicology tests ?
Answer: None of the above choices .They want to drag this out .They want answers as to how the person died .They want the media attention .