‘Putney Pusher’: Five clues that could identify jogger who shoved woman into path of London bus

* The man does not appear to try to swerve to avoid the woman or even stop, after reportedly pushing her, to check she is OK. He is said to have come back running over the bridge 15 minutes later but again reportedly did not stop when the woman is believed to have challenged him over his behaviour. What does this say about the individual’s character?