The hearing shall be conducted in a place where the court is usually held or in a physical setting not likely to have a harmful effect on the mental condition of the defendant. No hearing shall be conducted in a jail or other custodial facility for the detention of persons charged with or convicted of criminal offenses. The court shall determine the place of the hearing and may exclude the public from the hearing on motion of the defendant if the interests of the defendant and the public would best be served by exclusion.