There was a court date. That nails the day and time. He was working so he had a schedule. Are records available. You bet.
Now they met on a bench outside. Let's see what the weather was that day. If it was raining, they couldn't have been outside. It surely wasn't a weekend.
Why was the 14 year old not in school.
Supposedly, it was a custody hearing in the girl's parents divorce case. I've read the WaPo account, and the whole thing reads like a sexual fantasy or movie script. The WaPo story also state that the girl was troubled, and as an adult has had three marriages and plenty of financial troubles. Maybe someone from the GOPe started waving some money around to get these women to talk?