Who murdered a food chemist in brutal fashion?
That was the big question on Lucifer Season 3 Episode 5 and it found Lucifer and Chloe going up against an unexpected face.
Everyone at the precinct was shocked to the core when the person showed up intent on solving the murder before another occurred.
Meanwhile, Lucifer tried to make sense of the shocking return and it put him on a mission of self-discovery.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.