You and I agree 99.9% of the time on this case. I'd say 100%, but there must be SOMETHING for that .1%. ;)
I'm a mathematician. The odds of "two related deaths dying within the same time span, i.e., "last seen alive till time of death" from drugs are astronomical.
The ONLY common person who had unlimited access to those people prior to their death was Howard.
We're searching for the truth and the "Director" has to be proved a liar.