godan verb (-mu), transitive verb
bring someone in; lead someone into
Used when physically taking or guiding a person into a place, often with a nuance of bringing them along, sometimes into a private or enclosed space.
彼は友達を部屋に連れ込んだ。
He brought his friend into the room.
酔っ払いを交番に連れ込む。
They take the drunk person into the police box.