Batman: Arkham Knight - Harley Quinn interrogates a driver (free roam/character swap mod)
Channel: sn0wsh00
Date: 2018-02-14

Harley's been taking up Bman's mantle. 

Note that this is not a Harley Quinn skin on top of Batman, but the actual Harley character from the Harley Quinn DLC. You can tell by the Red detective mode and her idle lines.