[FR_addict]

quack - 2 : one making usually showy pretenses to knowledge or ability : FRAUD, FAKER

I think saying he communicates with people in comas matches the above definition.

I think saying he can crash airplanes by thinking about it qualifies.
Etc....

I'm going to bed and say an extra prayer for Terri tonight.

[MindBender26]

knowledge or ability

The court is only interested in his legal knowledge and skills, not his psychic voodoo powers ... and so far, I'm sorry to say, his skills are a lot better than Terri's lawyer.