Or, at least, he didn't mean to kill Richard. Richard's accidental death was what caused Henry to snap and eventually turn into a sociopath. Later, he chose to take credit for his brother's death. * Any WMG on Henry's motivations would be putting more thought into the subject than the filmmakers did. * Sociopathy doesn't work that way. People don't turn into sociopaths, they just are born without a conscience. * Actually, I'm pretty sure mental illness is acquired just as much if not moreso than it is innate. * "Pretty sure" doesn't hold a candle to scientific evidence. While there are some theories which say that sociopathy could be developed from growing up in an environment that doesn't establish a sense of right and wrong for the child to follow, Henry doesn't seem overtl