article_snippet: The lights hadn't worked since November the year before
article_snippet: I fell down two flights of stairs.
article_snippet: As I walked back up the stairs, I used my phone to see what had caused me to fall.
article_snippet: I shone the light at the top of the stairs
article_snippet: and you knew that because her phone light wasn't working, her phone light would be dark when Miss Anderson left. '
article_snippet: You put a wire across the top of the stairs to act as an improvised tripwire.