Spencer's home is in California, but he was in Arizona for treatment that he had left early from on 01/18/2025. Because of this, Spencer did not have a car. He walked to a car dealership in Wickenburg and purchased a truck on 01/20/2025. Spencer's financial records and security footage from various locations confirm he traveled from Wickenburg to Marble Canyon, AZ and he stopped in cities such as Williams, AZ and Flagstaff, AZ along the way. Spencer checked into the Marble Canyon Lodge on 01/22/2025 and put his belongings in the hotel room. He was supposed to check out on 01/23/2025 but did not do so. On 01/24/2025, the lodge called the Sheriff's Office to report Spencer missing. Spencer's truck was located at Lees Ferry which is about 6 miles from the Lodge. He is seen on a game camera exiting his vehicle and seems to be walking toward the area that contains hiking trails. Spencer is known to be an experienced hiker and avid outdoorsman.