The United States Experienced a Dramatic Increase in Crime at the Beginning

The United States experienced a dramatic increase in crime at the beginning of the 1960s. For almost two decades, the number of crimes known to the police increased much faster than the growth in population. The crime rate plateaued in the beginning of the 1980s and has decreased considerably since the early 1990s. Despite these decreases, the public continues to perceive that crime is on the increase. These fears are reinforced by extensive media coverage, particularly of violent crime.

-How many official measures of crime exist in the United States?

A) two.
B) three.
C) four.
D) five.