The statements by the detective hired by D are huge, a real turning point.
I don't recall any evidence that Daniel used drugs - the ME should be able to determine if he was a user of certain drugs.
I've heard Larry say at least 3 times that [yesterday being the most recent] "there is only one way to make a baby" *wink wink* when asked about the possibility of Howard being the father. Maybe howie is unable to have sex???