right next to this white suv. >> that's when we knew that obviously someone else was there with him that morning. >> the plot really thickened, i'm sure, after seeing that video. >> yes. >> so this is the planet fitness right here? >> this is planet fitness to your right. this is -- >> where -- >> where tom worked out every morning. >> i'll pull into tom's spot. >> reporter: bill weishaupt is a retired f-b-i agent and the chief investigator for the ulster county district attorney. he showed us in the light of day what's hard to see in that grainy video. >> this is exactly where tom was parked, right here. which is-- as you can see, it's a great distance away from the planet fitness where he normally worked out. and so this would not be a normal parking spot to pull into at that hour in the morning to work out in that gym. >> and the mystery suv pulled up where? >> mystery suv pulled up right here. so they were both facing -- which is -- this is north. >> could you identify a person, a make, a model of the car? what details were you getting? >> no, it was pitch black. these lights were not providing any illumination at all.