Amy's office has CLUE game pieces as statues. The rope, lead pipe, gun, wrench, candlestick and knife can be seen in the background. The game is known as Cluedo in the UK.
Just before Amy brings Kate to her house, the aerial stock footage interscene is of the very recognizable downtown peninsula of Vancouver, British Columbia (Stanley Park and the Lions Gate Bridge visible), Metro Vancouver where this movie was filmed.
They used cleverly placed items, furniture and props to cover up actress Jill Wagner's pregnancy during this installment.
When Travis is testifying, he says "He and his partner noticed the patterns of chaos and that all the murders happened on full moons. The killer was a fan of Greek Mythology and was making sacrifices to Artemis, Goddess of the Moon." Artemis is not the Goddess of the Moon, but Goddess of the Hunt. Selene, is the Greek Goddess of the Moon.
The song "Who Can it Be Now?" that is playing during the opening scenes, is used in other opening scenes of other Mystery 101 movies.