How to Detect Lies(Bagaimana Mengesan Jika Seseorang Berbohong)

• Establish a base line
• Learn to recognize deflections
• Notice the behavior of other body parts
• Look out for microexpressions
• Check for sweating
• Mind exaggerated details
• Notice the person's eye movements
• Be aware of their emotional responses 
• Listen for a subtle delay in responses to questions
• Be conscious of their usage of words
• Allow silence to enter the conversation
• Change the subject quickly
• Watch his or her throat
• Follow through

Check here on how to determine whether a person lying or not.