JLA Watchtower (Archive)

Robin's figured out who was behind the Alcatraz breakout and gave assistance to the most dangerous metahuman prisoners. Mammoth and Shimmer.

Where there's one, there's the other, and both are tied to Dr. Light. The question is if they're still here gloating, or if they're long gone. Nightwing glances down at the small device in his hand that shows his daughter's condition.

It's worsening.

Fingers close over it once more, a new and cold determination taking hold.

"Nightwing to all Titans. Mammoth and Shimmer are behind this breakout, and we've got reason to believe they're still here. We find them, it's a short hop to find Light. Omen - do your thing. Flush these pieces of filth out."