Preventative detention is best described as a.
a stipulation within the Constitution which requires that all accused felons participate in a rehabilitation program before being released from jail.

b.
a clause within the Bill of Rights, specifically the 5th Amendment which allows a person to choose to serve jail time before their trial takes place.

c.
a law which allows federal judges to order that an accused felon be held without bail if it is believed that they may commit another serious crime.

d.
a law which mandates that all individuals who have committed serious crimes must wear a tracking device to prevent them from committing serious crimes again.