Batgirl and the Birds of Prey

Batgirl and Black Canary are together again, working a case that strikes right at the heart of their partnership!

Someone’s uncovered the greatest secret Barbara Gordon ever kept: her time as Oracle, the most powerful hacker on the planet. And not only do they know her secret, they’re using her name to sell dangerous information to criminals! Now one of those deals has brought some major heat to Gotham City…Helena Bertinelli is out of Spyral, wearing the hood of the Huntress, and making mafia blood run in the streets! Everything you thought was hidden will be revealed if the Oracle has their way…

" Blackbird ” Part Two ( Issue 9 )
Dinah infiltrate Blackbirds secret organization, she encounter a meta-human named Owen who has the ability to control minds and managed to convince him that Blackbird is actually a super-villain who want's to steal their power. Owen tries to fight Blackbird but he finds out that she is unaffected by his power, she proceed to steal them then she new found power on Dinah to make her betray her fellow birds.

“Blackbird” Finale ( Issue 10 )
The Birds fight Blackbird and her mind controlled minion, they win the fight and Helena use her Hypnos implant to erase Blackbird's memories.

“Full Circle” Part Two ( Issue 20 )
In his plot to discovers Oracles true identity, the Calculator breaks Maria Bertinelli and the meta-human Blackbird out of prison, the later tries to hypnotize him but he reveal that he has a counter measure to her power.

“Full Circle” Part Three ( Issue 21 )
Maria refuses to help the Calculator, but he has Blackbird hypnotize her and finds out that Huntress is her daughter Helena. Later the Birds confront Calculator, Maria, and Blackbird. A fight erupts between the two groups, Blackbird shape-shift into Black Canary, in her disguise she hypnotize Huntress to come with her and the Calculator, the issue ends with an entranced Huntress being questioned about Oracles identity.