Teen Titans, Vol. 3 #47 (2007)

Of Clowns And Clones
Following the funeral of Duela Dent, the Titans split up. Half of the team returns ot the Tower to try and help Jericho to keep Match, a bizzaro clone of Superboy, under control, while Nightwing, Robin, Cassie and Donna look into the murder of Duela Dent. She may have been chaotic, and occasionally have been on the wrong side of the law, but she was still a Titan, and the Titans look after their own. But when powerful forces transport the team investigating the scene of Duela Dent's murder across the country, it leaves the Titans only more determined to get to the bottom of this mystery.
Release Date: 2007