Medical examiner today, Monday, said Marijuana was present. That test is easily done and may well precede more detailed toxicological tests.
Isn't that because it's the easiest and quickest thing to test for ?
Assuming that Mike probably smoked pot for several years, it would really show up on a blood test.
Now, PCP or some other related drug, used in small doses and probably not for very long might be harder to detect.
Only time will tell, my FRiend.