imprison：英/ɪm'prɪz(ə)n/

 vt. 监禁；关押；使…下狱

To arrest and imprison such a child is an admission that psychology, science and society don't understand what's happening and what to do about it.
逮捕并且监禁这样的儿童是对心理学、科学和社会并不知道发生了什么以及做什么的一种承认。