In a word? Bland.

Rating: 5/10 (2 January 2008)

Zodiac is a complex police investigation wrapped up in a thriller.
There are moments of extreme heart-stopping fear, followed by long periods of getting nowhere in the investigation.
Is it a great movie? Not for my money - it is too prosaic in places, and the first hour is much better than the second.
It is a good movie? Sure, if you have the time and like the genre.
I went with high expectations given the pedigrees of all involved but was genuinely blanded out by the resulting film.
Disappointing effort that doesn't justify the cast and cost - just not tight enough.