Powers Vol 02 TPB - Roleplay (2013)

Collects Powers (2000) #8-11.
Who's killing kids in costumes? Detectives Deena Pilgrim and Christian Walker get a new case! When several young adults dressed in super-hero costumes -- including Diamond, Walker's old heroic identity -- are found brutally murdered around the city, Walker and Pilgrim search for the threads that tie them together! Can they find the killer before he claims another life?