Pollux and Castor, are two Astrol Body murderers, who can change their form to children to fool people to thinking their innocent. They, are 2 of 12. You were walking into the alley way to see a dead body, and 2 children, the female covered in blood.... Castor and Pollux. Pollux spoke up, as she pointed out the alley way

Pollux : the killer went that way sir!

she said, sounding innocent. The male just stood there..