According to the private investigator's report, friend of Donna Lass, Jo Anne Goettsche, was planning to meet her on the night of September 7th 1970 at the Sahara Tahoe Hotel & Casino, making contact with security guard George Victor Jonasson and asking of Donna's whereabouts through until 4:00am on September 8th 1970. If both of these recollections were correct, then something prevented Donna Lass from meeting Jo Anne Goettsche between approximately 4pm and the night of September 7th 1970. This ties in with the suspicious phone call from a "Mr. Davis" the following day (September 8th), which was previously argued to be from the killer of Donna Lass, who knew her well enough to know the name of her landlord. Did the man accompanying Donna Lass also live at the Monte Verdi apartments, or was it possible he was just walking her home? Their route along Pioneer Trail Road had them heading towards the Monte Verdi apartment complex, but this wasn't the only pertinent address along this road.
According to the private investigator's report, Donna Lass dated a waiter at the Sahara Tahoe Hotel & Casino called Tony Chapman, who testified that he never REALLY dated Donna Lass, although he did have drinks with her after work until 5am, and had "taken her out" at least three times but never kissed her. Tony Chapman's address was also located close to Pioneer Trail Road, 4,260 feet beyond the Monte Verdi apartments at 3608 Terry Lane. He stated he hadn't seen Donna Lass since September 2nd 1970, when he, Donna and Vern Lauflin had a drink after work. Was this the individual seen walking with Donna Lass by Mrs. Dorothy Cullison on September 7th 1970, heading in the direction of the Monte Verdi apartments or 3608 Terry Lane? It would certainly be interesting to discover if Tony Chapman was a clean shaven, blonde haired individual. Despite this, Mrs. Dorothy Cullison couldn't state conclusively that her sighting was Labor Day weekend, so we cannot put all our eggs in this basket.