‘Criminal Minds’ Season 12, Episode 15 Spoilers: Reid Goes Behind the Bars; Harold Perrineau Joins Show as Recurring Guest Star “Criminal Minds” Season 12, Episode 15 will have Dr. Spencer Reid adjusting to life behind the bars.
'Criminal Minds' Season 12 Spoilers: Spencer Reid To Stay In Prison For A Long Time; New Unsub Targets Young People It has been speculated on the upcoming episode of "Criminal Minds" season 12 that Reid will be staying in the American prison for a significant amount of time.
