A girl attends her mother's funeral during which she sees a man with whom she falls head over heels in love. She's never seen him before. Has no idea who he is or where he lives. He leaves before she can have a conversation with him so she was unable to get a contact number. She can't get him out of her mind.
A fortnight later, she kills her sister.
What was her motive for doing this?
This test was devised by an American psychologist to find those who had the mind set of a killer.
Good question Jane, I've not looked at the other posters answers because I like to solve puzzles myself, could it be she is trying to get him back to a funeral to meet up with him again?
Must admit Jane I was tempted to google the answer