Greenblatt was a fairly straightforward witness, but wasn't very effective for the defense.
He got dinged a bit on cross when he refused to admit that he didn't have any conscious memory of treating/observing someone on PCP. (He said he was a physician in the early 70s in an emergency room, where he may have treated people who may have been on PCP.)
He does not appear to be a PCP expert per se. He's more like a MD who has read medical literature on PCP, but hasn't made it a focus of his work. He can't recall if he's written articles on PCP.
He also couldn't recall his prior testimony as an expert witness in other cases. (IMO that looks super bad to a jury and screams 'gun for hire.')
The prosecution did a nice job of diluting the testimony by going after him as a sort of "non-expert expert."
They also showed him the video of AH/Wallace/Ortiz int he driveway. No way to tell if any of these people are exhibiting PCP psychosis (or not).
The walkaways:
PCP can make one schizophrenic-ish. (Paranoia, violent outbursts, etc.)
Or not.
This "PCP psychosis" can come on quickly.
Or not.
It can last for a long time.
Or not.
You can't know if someone is on PCP unless you chemically test them.
You can't simply observe someone and know if they're on PCP.
Greenblatt has no evidence that PCP was involved in this case.
MJ does not cause violent behavior.
He got dinged a bit on cross when he refused to admit that he didn't have any conscious memory of treating/observing someone on PCP. (He said he was a physician in the early 70s in an emergency room, where he may have treated people who may have been on PCP.)
He does not appear to be a PCP expert per se. He's more like a MD who has read medical literature on PCP, but hasn't made it a focus of his work. He can't recall if he's written articles on PCP.
He also couldn't recall his prior testimony as an expert witness in other cases. (IMO that looks super bad to a jury and screams 'gun for hire.')
The prosecution did a nice job of diluting the testimony by going after him as a sort of "non-expert expert."
They also showed him the video of AH/Wallace/Ortiz int he driveway. No way to tell if any of these people are exhibiting PCP psychosis (or not).
The walkaways:
PCP can make one schizophrenic-ish. (Paranoia, violent outbursts, etc.)
Or not.
This "PCP psychosis" can come on quickly.
Or not.
It can last for a long time.
Or not.
You can't know if someone is on PCP unless you chemically test them.
You can't simply observe someone and know if they're on PCP.
Greenblatt has no evidence that PCP was involved in this case.
MJ does not cause violent behavior.