Cludeo- Scooby Doo

Mrs White is experiencing a spell of abductions at her Haunted Mansion!
In distress over this troubling situation, she has invited Scooby-Doo and the gang over to investigate. Always up for an exciting mystery, the friends dress up as their favourite CLUEDO game characters, and get right to solving crime. But while everyone is working on the case, someone in the mansion is abducted by a monster! 

To win CLUEDO: Scooby-Doo, you must solve:
WHO was abducted?
WHERE?
and WHAT item did the monster leave behind?