Detective Comics #831 2007

Detective Comics #831, published in June 2007, features writer Paul Dini returning to a story centered on Harley Quinn. Harley is kidnapped from Arkham Asylum by the new Ventriloquist and Scarface, leading to a reluctant alliance with Batman. Harley attempts to manipulate both sides, culminating in a showdown. The issue is notable for its exploration of Harley Quinn's character and for Bruce Wayne ultimately changing his vote, leading to Harley's parole from Arkham.