Springfield Three — the cigarette in the ashtray and the broken porch globe, real or embellished?

Posting to ask the people who actually know this case. Springfield MO, June 1992. Two girls just graduated high school, Suzie Streeter and Stacy McCall, end up crashing at Suzie's mom Sherrill Levitt's house on East Delmar. Next day all three are gone. Cars there, purses there, money there, the litt……