Complex sentence: In recent years, citizens of the United States have been targets of a "jury scam", wherein they are called by persons posing as officers from a court, claiming that the person did not show up for jury duty and that charges will be pressed.
Split into simpler sentences: In recent years, citizens of the US have been targets of a "Jury Scam". They are called by someone posing as an officer from a court, claiming that the person did not show up for jury duty and that charges will be pressed.