Have you had a chance to read the early threads here Otto? You’re quoting a lot of incorrect information. Libby did not vanish from a park bench, the last known sighting of her was on a main road, close to (or perhaps on) a street bench (Libby’s bench). There is cctv footage of the exact same model car police towed away from the suspects home, just around the corner from that bench. A person is filmed rolling and smoking a cigarette sat on the drivers seat of that car, after which somebody is ‘helped’ (take that as you will) into the passenger side. That was just after midnight. The last reported sighting of Libby was 12:09.
Police will no doubt have additional ANPR and cctv footage which we’re presuming leads to Oak Rd park.
The ‘park bench’ you’re referring to is a bench in that park that during the 96 hours LE questioned the suspect became the focus of a short, very late night, forensics investigation. We don’t know why.
I’m not sure how the shores of France are relevant. The estuary flows out to the North Sea, not the English Channel. Be mindful that this is the body of a young missing daughter we’re talking about, referring to detached body parts on a forum where a great deal of people have shown such kind and compassionate emotions over the past 48 hours feels rather cold, not to mention factually incorrect.