From what I've been reading very few, if anyone else has ever been held for the full 9 hours and they didn't even question him about terrorism or terrorist related activities.
Sounds like they wanted chapter and verse on his life to date and used a very dodgy and poorly piece of legislation (Schedule 7 which allows the powers that be to stop anyone passing through a port - nicely broad and with now mention of '...and suspected of terrorist activities' hence Scotland Yard being able to say the proce3ss was 'legally sound') to basically give the guy a hard time because someone his husband has had contact with in his professional duty gave his husband information that has really embarrassed the UK and the US.
I know I should listen to all of Ms May's interview but haven't got sufficient alcohol in the house to get me through it but the gist seemed to be 'I didn't tell the police to do / not do anything so nothing to do with me' and ' the police should be able to stop people who have information that might help terrorists'.
If anyone seriously believes the UK and US governments had absolutely nothing to do with this is deluded and perhaps someone should point out to Ms May that information relating to Prism et al doesn't really help terrorists, it just embarrasses governments.
As an aside (and please note this following statement is meant for comedic effect and I am not condoning or suggesting we should go around setting fire to government ministers or anyone else) but does anyone else get the Monty Python Holy Grail - She's a witch, burn her sketch in their head every time they see / hear Ms May speak / talk.
Schedule 7 and this misuse of it is a reminder why a) politics does matter and people should take an interest and coupled with this b) why people should question legislation / government intervention that may have broader implications than just those being sold to us (e.g censoring the internet).
Anyway rant over...