Digital Spy reports that a quiz was recently posted on the official Coronation Street website entitled, 'Can you eliminate a suspect?'. A 100% score leads to Tracy - one of the four official suspects - being eliminated from the search for Tina's killer.
It means that Peter Barlow, Carla Barlow and Rob Donovan are the three remaining official suspects in the case.
Bookies have stopped taking bets on Who Kills Tina after a rise in bets on the killer being Tony.
See also: Who Kills Tina? All the news, spoilers, previews, interviews, schedule...
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