Mitigating circumstances come into play when the SVU discovers that she suffered from sleep deprivation and overdosed on drugs used to treat ADD .
The killer turns out to be a high school student ( Sarah Hyland ) who obsesses over impressing her mother ( Enid Graham ) .
Mitigating circumstances come into play when the SVU discovers that Sarah Hyland suffered from sleep deprivation and overdosed on drugs used to treat ADD .
The killer turns out to be a high school student ( Sarah Hyland ) who obsesses over impressing her mother ( Enid Graham ) .