Tā shì yī míng jiǎshìfàn, zhèngzài jiēshòu jiānkòng.
He is a parolee currently under supervision.
Tips
usage
假释 (jiǎshì) means parole — the early conditional release from prison. Adding 犯 (fàn, criminal/convict) forms 假释犯, a person on parole. Compare 缓刑 (huǎnxíng), suspended sentence, which does not involve serving prison time first.