Unlock: Use Franklin, Complete Three's Company
Requirements:
Thick of it – Always be beside Poppy.
DUI Diva – Take a pic of Poppy being handcuffed.
Riding a pretty fast vehicle, travel to the marked location on the top left of the map. Pursue Poppy until she gets crashing down. Stay from far away, wait until the police handcuffs her, then take your shot, send it to your contact afterwards.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art.