Headscratchers / The Woman in the House Across the Street from the Girl in the Window

• Why didn't Anna take a picture of the threat written on her car window?
  • Panic, or because part of the parody is that everyone is incompetent and/or helpless.
• How did Emma get Lisa's body out of her house without being spotted?
  • Precocious intelligence as well as precocious strength. Or she manipulated Buell.
• Why on earth would a career FBI psychologist who works with serial killers leave a small child, let alone their daughter, in a holding cell alone with a cannibalistic serial killer?
  • Everyone is incompetent.