Usage patterns
〈人〉が拘置所に入れられるfor someone to be placed in a detention center
He was arrested and placed in a detention center.
〈人〉が拘置所に収容されるfor someone to be held/detained in a detention center
The defendant is being held in the detention center until the verdict.
拘置所から釈放されるto be released from a detention center
He paid bail and was released from the detention center.