In the past, investigators would look at which two types of cues when trying to determine if someone was lying?

biased and unbiased

verbal and non-verbal

quiet and loud

simple and complex

Answer : Verbal and non-verbal communication wad used by Investigators in the past when trying to determine if someone was lying.

Explanation: In the Verbal communication information is transferred from one person to other by speaking.

Non-verbal communication includes Facial expressions , eye contact , body language, eyes blinking etc.

If someone is lying he or she will easily dermined by applying above things.