Read Grim Resentment Storyline:
When Duncan rescued as many children as he could from the massacre at Lab 14, he was able to raise and train them to be caring and kind. Unknown to them, however, another Synth escaped. Without anyone to help him, to guide him, Charlie Reed’s conscious grew dark and bitter. Furious at the world that created him and destroyed his life, he’s set out on a murderous mission to end the experiments once and for all. Using his unique gift, he travels the world, wiping out anyone who possesses powers. And now he has his sights set on Shawn, Duncan, and the rest of the Synths.Pages of Grim Resentment :
