This is based on a real story, though as always I'm sure they took some liberties with the truth to create more tension or just the right amount of it. The police is not only portrayed as incompetent, but also as crazy. Our heroes are insane too (to a certain level) and therefor it's tough to really root for someone.
The Banklady gets our sympathies to a degree and there are some moments where we almost lose our faith in her, where they give her a line to pull as back in. The performances are really good, Ken Duken has one of the toughest jobs to pull off (it's a fine line, though at the end even he's not able to keep it in line, up to that point, great job though). It's a decent movie, that ticks off the right boxes with a twist towards the end that's sort of unbelievable to say the least