One night a police officer was staking out a particularly rowdy
bar for possible DUI violations.
At closing time, he saw a fellow stumble out of the bar, trip on the
curb, and
try his keys in five different cars before he found his.
Then he sat in the front seat fumbling around with his keys for several
minutes.
Everyone else left the bar and drove off.
Finally he started his engine and began to pull away. The
police officer who was waiting for him, then stopped the driver,
read him his rights and administered the Breathalyzer test. The
results showed a reading of 0.0.
The puzzled officer demanded to know how that could be.
The driver replied,
"Tonight, I'm the designated decoy.
