[Avodah] Polygraph in Halakhah

[David Riceman]

Micha Berger wrote:
> Given that not every secular jurisdiction considers the polygraph to be
> sufficiently reliable for admission as evidence, I am wondering how we
> determine how reliable a test must be to be good enough  for halakhah.
> Rov when we may be someikh on rov, and then some shiur for milsa delo
> shekhichah otherwise?
>   
See HM 15:5.  There seems to be a machlokes aharonim about this; see 
Nesivos Biur #2 ad. loc. who says that the standard is "omed shel kol 
haolam", and see AhS 15:4 who says that we reject the Rambam and permit 
qualified judges their Talmudically granted discretion.

David Riceman