This editorial features some spoilers for Hanna and Kick-Ass. Consider yourself warned. In preparation for this post I ran a quick Internet search on child assassins and found this video from New York Magazine. While I wasn’t promised a video exclusively on child assassins here, and instead got something that explores the notion of child killers at large, this video conflates two categories of child killers that I think deserve remarkably different types of consideration. The great majority of killings performed by children in this video are from horror movies. From Rosemary’s Baby to The Omen to The Brood to Firestarter to the other Omen and beyond, the child/killer is an exhaustively repeated horror trope to the point of cliche (and is often confused with the simple overlapping category of “scary children,” like in The Shining and The Sixth Sense). But every so often a child-killer horror film comes along that works in line with the formula (The Children, anyone? Bueller? Okay, how about Let Me In?), reminding us why child killers still have the capacity to be engrossing and entertaining even if they’ve lost the ability to be outright horrifying: because they play on our society’s veneration of childhood innocence, replacing the ignorant bliss of childhood with benevolent, malicious intent to do harm to the much taller individuals that surround them. But child assassins are quite different from the overall category of child killers. And while two recent films in two subsequent spring movie seasons that feature child assassins,