I have to respectfully disagree - not that someone probably should have recognised it, but in terms of it not being their natural gait.
Speaking as a pigeon-toed person, I tend to walk quickly, it doesn’t affect my pace. People are born with it and there may be other musculoskeletal differences or adaptations that contribute or result from this type of thing, so you end up with a slightly odd gait - compared to people who don’t have to learn to avoid tripping over their own toes from a young age. The POI’s gait certainly reminds me of my own when walking at pace; it’s a bit more exaggerated in terms of the way they swing their feet when jogging, but I have used specialised orthotics for a long time, have had various medical/physio interventions over the years, and am not bow-legged.
If you’re a ‘normie’ try turning your toes (the whole front ‘pad’ of your foot) inwards and walking/jogging whilst keeping them pointed inwards - most people will trip. I can’t see someone managing to ‘put it on’ at pace. I am not sure it’s easy to fake being pigeon-toed, and to fake it consistently (before and after an crime), especially considering the POI appear to be on the bow-legged side (which could contribute to the way someone walks).
In light of another comment elsewhere about wearing bigger shoes on the thread I’d also point out that, for a pigeon-toed person, that is nigh on impossible. You are adapted to how you are, add an inch or two in length onto your shoes and you’ll be tripping over like a 4 year old again!
Just my two cents.