There are different reasons why cops work undercover. Sometimes they are trying to catch criminals in the act of committing a crime or they are trying to get a taped confession out of a suspect. Often cops work undercover to catch drug dealers or to break up a drug deal in action. You can detect an undercover cop by paying attention to their badges, hats, or sunglasses. You can always go to the
. local donut shop and find many cops that are not undercover. To read more about undercover cops, go to: http://tonyfalcon.blogspot.com/.