Discern Lies

SchoolDivination
LevelClr 4, Pal 3
ComponentsV, S, DF
Casting Time1 standard action
RangeClose (25 ft. + 5 ft./2 levels)
DurationConcentration, up to 1 round/level
TargetsOne creature/level, no two of which can be more than 30 ft. apart
Saving ThrowWill negates
Spell ResistanceNo

Each round, you concentrate on one subject, who must be within range. You know if the subject deliberately and knowingly speaks a lie by discerning disturbances in its aura caused by lying. The spell does not reveal the truth, uncover unintentional inaccuracies, or necessarily reveal evasions.

Each round, you may concentrate on a different subject.