Section 939.618 - Mandatory minimum sentence for repeat serious sex crimes(1) In this section, "serious sex crime" means a violation of s. 940.225(1) or (2).(2)(a) Except as provided in par. (b), if a person has one or more prior convictions for a serious sex crime and subsequently commits a serious sex crime, the court shall impose a bifurcated sentence under s. 973.01. The term of confinement in prison portion of a bifurcated sentence imposed under this subsection may not be less than 3 years and 6 months, but otherwise the penalties for the crime apply, subject to any applicable penalty enhancement. The court may not place the defendant on probation.(b) If a person has one or more prior convictions for a violation of s. 940.225(1) or for a comparable crime under federal law or the law of any state and subsequently is convicted of a violation of s. 940.225(1), the maximum term of imprisonment for the violation of s. 940.225(1) is life imprisonment without the possibility of parole or extended supervision.1993 a. 97, 227; 1997 a. 326; 2001 a. 109; 2005 a. 271; 2005 a. 433 s. 16; Stats. 2005 s. 939.618.