Man Gets Three Years for Lying

You think lying is not serious? "Everybody lies. God will overlook that." The Knoxville News Sentinel reported that a man got three years in jail for lying. If we can put someone in jail for lying, how much more serious is it to God? Where is the line drawn that says this lie will send you to hell & this one won't? "All liers will have their place in the lake of fire." Revelations 21:8 Ouch!