Multiplayer - Xbox Live - Create MatchGrab a boosting buddy and start a match with these settings:
Game mode: Attack & Defend
Game Type: Player Match
Map: Border Town
Max Players: 2
Private Slots: 2
Invite your friend and make sure to have the person going for the achievement is on the Assault Team.
Make you way to the church and move all the way to the back. Press
to make the hostage follow you. Now go to the basement and pick up hostage 2. Make sure they are both following you and escort them to the extraction point (Green Arrow). You need to do all of this within 5 minutes from starting the match.