Teen Titans, Vol. 3

In Japan, the Titans learn from a somewhat bitter Zachary Zatara that Raven came to see him and asked questions about her own past. In Australia they learn from Miss Martian (after she takes down Gunshot) that Raven wanted help finding a traitor. Specifically, she wanted Miss Martian to use telepathy, but Miss Martian refused to read the minds of "good" individuals without their permission. Near China, they find Bombshell battling Red Panzer. After that's cleaned up, they ask her and learn that she and Raven discovered the identity of the traitor - and it is Rose Wilson. Elsewhere, Miss Martian scans the thoughts of Titans from far away, and apparently learns who the traitor is. We also learn that she isn't a green Martian at all, but a white Martian!