mccomb. joining us from collin township. thank you so much mr. and mrs. mccomb for being with us.that you were there at the propane tank where mr. mccomb, you observed heel marks where you believe your daughter kicked in to the propane tank as she was struggling to be set free? >> yes. >> is that it behind you? >> i didn't understand you. >> is that the tank there behind you? >> yes, it is. that's the tank with the footprints on it. >> are they still there? >> yes, they're still there. >> while you are speaking, could we get miss mccomb to go show us where you observed the footprints, if your microphone allows you to move? >> no, they're on the other side of the tank. >> they're on the other side. so we can't see them. >> no. >> when did you first observe them, mr. mccomb? immediately after she went missing? >> no. it was after it was dusted by the state police. they showed right up. they were dusting for fingerprints, i believe. >> mr. and mrs. mccomb joining us tonight. these are venus rose stewart's parents. to miss mccomb, when we're talking about a white male crouched down be