I watched it all the way through, but...

Rating: 7/10 (2 December 2014)

... ultimately I feel I am being slightly generous awarding it 7/10.
On the plus-side - the acting is good from most of those involved (though really we should be entitled to expect that); the cinematography was quite engaging at times; it wasn't a standard stereotypical thriller built on cliché (though there was a heck of a lot of cliché to deal with).
This film kept me watching but started to feel spun-out approximately 30 minutes from the end. The "twist", well you could call it that but it's one you'll see coming from a mile off. Thankfully the film doesn't completely hinge around that, so it's only a mild annoyance that for half an hour we have a stereotypical "dumb cop" thing going on.
Overall, there was just too much silliness in the plotting for me to be particularly impressed; doubt I will ever watch it again.